In your own words, explain why C=2πr, where C is the circumference of a circle of radius r. Include a description of the number π in your explanation.

Q: The diameter of a circle is 6 m. Find its area to the nearest tenth.

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Q: In the previous question, you found the diameter of a circle with an area 153.86. Now, find the…

A: Explanation and solutions is given below....

Q: The area of a circle is 16t in. What is the radius?

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Q: a circle of radius 7, the length of the arc that subtends a central angle of 300 degrees is…

A:

Q: Determine the circumference of a circle whose diameter is 13 feet. Round your answer to the nearest…

A: On solving this we will get:-

Q: The radius of the circumscribed circle around a right triangle is 5, one of the legs is 6. What is…

A: Solve by pythogorus theorem

Q: A right triangle contains 38° angle whose adjacent side measures 10 centimeters. What is the length…

A: We can solve it by property of right angle triangle.

Q: If the circumference of a circle is 2π or 2 pi, what is the measure of a semicircle?

A: Ans is given in the following photo

Q: What is the radius of a circle that has a circumference of 21 pi π?

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Q: The diameter of a circle is 11 in. Find its area to the nearest tenth.

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Q: If the length of the radius of the circle is 6, what is the area of the square? * Remember, the…

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Q: Explain the relationship that exists between corresponding sides ofsimilar triangles.

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Q: What is the radius of a circle whose area is 24.2 ft? 3.

A:

Q: Rena needed a cone container to hold 450 cubic inches of soil for a new plant. If the container must…

A: Given that V=450 cubic inches r=6 inches find height h=? Volume of a cone isV=13πr2h

Q: The radius of a circle is 6 meters. What is the circumference?

A: Given the radius of a circle is 6 meters. we know that the circumference of the circle = 2*pi*r

Q: On a map, the coordinates for Phoenix are (– 12, – 16) and those for Miami are (6, 8), specified in…

A:

Q: Find the length of an arc that has a 277° measure and is in a circle whose diameter is 16. Let pi =…

A: angle = arc/radius

Q: Find the length of the arc outlined in dark black. 2) 5x 10 yd

A: Consider an arc subtends an angle θ at the center. The arc length of such an arc is calculated as,…

Q: If the circumference of a circle is 6π, what is its radius?

A: We have to find the radius of circle where its circumference is given as 6π. We know the formula of…

Q: 8 ft 30°

A: Given :/ Height of Ramp = 8 feet Slope of Ramp = 30° Let, The distance from Ramp from platform  = D…

Q: In AQRS, the measure of ZS=90°, QR = 8.2 feet, and SQ = 4.2 feet. Find the measure of ZR to the…

A: GIven ∠S=90°QR=8.2 feetSQ=4.2 feetTo find ∠R We know that cosθ=adjacent…

Q: The surface area of this cone is 628 square inches. What is the slant heigh Use a 3.14 and round…

A: To find the slant height

Q: If a right triangle has two legs which have measuments of 12 inches and 14 inches, the length of the…

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Q: For a circle of radius 5 feet, find the length of an arc s with a measure of 28°

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Q: The distance across a pond is to be measured indirectly by using similar triangles .If XY = 160ft YW…

A:

Q: In a circle whose radius has length 9m, the length of an arc is 5π m. what is the degree measure of…

A:

Q: What is the exact area of a circle if the radius is 2.4 meters?

A: Topic=  Area

Q: A 20m wire is cut into 2pieces with the ratio 2:3. If the two pieces are formed into 2 circ;es. What…

A:

Q: The length of the radius of a circle inscribed in an equilateral triangle is 7 in. Find the area of…

A: Given- The length of radius of a circle inscribed in an equil;ateral triangle is 7 inch. To find-…

Q: If the circumference of a circle is 6p, what is its radius?

A: The circumference of the circle is given as 6π For a circle of radius r, the circumference is given…

Q: The area of a circle circumscribing about an equilateral triangle is 78.54sq. m. What is its radius?

A: Given : the area of circle 78.54 m2            Area of circle =π r2                where r=radius of…

Q: The floor plan for an L-shaped storage building is sbown below with distances marked in feet. What…

A: Solution: To solve this problem floor has to divide into two sections as we can see in the diagram…

Q: This is a right triangle with dimensions in inches. If θ = 56∘ , what is the length of x to the…

A: The given triangle is as follows:

Q: If the circumference of a circle is T (2/31) inches, how many inches long is its radius? 0를 (2/3)…

A: Answer is mentioned below

Q: The radius of a circle is 1 foot. What is the length of a 45° arc?

A: Since, we have been given that the radius of a circle is 1 foot.Our Aim is to find the length of a…

Q: In the accompanying figure, arc AB of circle 0 measures 70. If the measure of ZAOB is represented by…

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Q: The radius of a circle is 1 centimeter. What is the length of a 30° 30° r=1 cm Give the exact answer…

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Q: A person who is 6 feet tall stands 4 feet from the base of a light pole and casts a 2-foot-long…

A:

Q: A scale drawing is to be made of the floor of a rectangular room whose dimensions are 72 feet by 40…

A: The perimeter of a rectangle is calculated using the formula: P=2l+w, where, l, w are the length,…

Q: а. What is the smallest positive angle which is co-terminal to –1125°? b. What is the height of an…

A: As per guidelines we can solve only one question at a time. if you need more answers kindly repost…

Q: The diameter of a circle is 18 kilometers. What is the area? Give the exact answer in simplest form.

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Q: If ZA = 55, solve for the measure of arc BDC? %3D D B. A

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Q: The diameter of a circle is 4 meters. What is the area?

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Q: What is the length of one side of a square that has an area of one hectare? What about the radius of…

A: The area of a square is 1 hectare, then we have to find the side. The area of a circle 1 hectare,…

Q: The diameter of a circle is 7 m. Find its area to the nearest tenth.

A:

Q: In a circle whose radius has length 12 m, the length of an arc is 67 m. What is the degree measure…

A: Arc length =2πrθ360

Q: The diameter of a circle is 16 in. Find its area in terms of π

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Q: The diameter of a circle is 28 in. What is the length of the radius?

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Q: . 53.Tokyo is located at (139° E, 39°N) while Manila is at (121° E, 14° N). Find the distance…

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Q: In many SnoCones, the flavored ice is scooped into a cardboard cup in the shape of a cone. How much…

A: To find: The amount of cardboard needed to make 20 cone having diameter 4 inches and height 5…