Are the two shaded triangles in the dilation (ruler method) below similar? If so, what is the scale factor? If not, why are they not similar?

Q: 1. Describe the effect on the area if the height of a trapezoid with base lengths 12 cm and 8 cm and…

A: The base lengths of a trapezoid are a = 12cm and b = 8 cm Initial height of the trapezoid, hi = 6 cm…

Q: Graph the image of rectangle CDEF after a dilation with a scale factor of 5, centered at the origin.

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Q: Under what conditions does the net area of a region equal the areaof a region? When does the net…

A: When we calculate net area, the area below the x axis is taken as negative and area above the x axis…

Q: Two similar triangles have a scale factor of 15. How much larger is the area of the larger triangle…

A: The solution is given below.

Q: Two similar cones have heights of 4m and 12m. What is their scale factor? What is the ratio of their…

A: Given: Both cone are similar

Q: The widths (in meters) of a kidney-shaped swimming pool were measured at 2-meter intervals as…

A: Given: To find the area of the pool

Q: Two similar solids have a scale factor or 6: 7. What is ratio of their volumes, expressed in lowest…

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Q: What is the surface area of a prism?

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Q: The ratio of the lengths of the radii of two similar cones is 3:5. What is the ratio of the surface…

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Q: If the cones below are similar, what is the ratio of the surface area of Cone A to the surface area…

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Q: How do you construct a Scalene Right Orthocenter?

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Q: The widths (in meters) of a kidney-shaped swimming poolwere measured at 2-meter intervals as…

A: The widths (in meters) of a kidney-shaped swimming poolwere measured at 2-meter intervals as given…

Q: The areas of two similar triangles are equal to 64 cm2 and 81 cm2. What is the ratio of their…

A: Let's find ratio of their corresponding altitudes.

Q: What is the area of trapezoid AECD?

A: Given,         We know that,        ∴Area of Trapezoid is given by            Area=a+b2·h ; where,…

Q: The ratio of the areas of two circles is equal to the ratio of their radii. true or false?

A: According to given, Let the radius of circle1 be r1. The radius of circle 2 be r2. Therefore, Area…

Q: The dotted triangle is the Image of the solid triangle. What is the scale factor?

A: Scale factor of graph is a constant value, that shift graph from its initial position.

Q: What is the radius of a sphere whose area and volume have the same numerical value?

A: We know that surface area of the sphere (A)=4πr2  sq. units&We know that volume of the sphere…

Q: The largest circle is to be cut from a regular octagon of sides 12 cm. Compute the percentage of…

A: This question is based on relation between side of regular octagon and radius of largest circle.

Q: In this exercise, we are finding the perimeter of a Sierpinski gasket. (By "perimeter," we mean the…

A: We draw the Sierpinski gasket using the given steps of constructions for few iterations.   Draw an…

Q: If rectangle DEFG is dilated by a scale factor of 3 with a dilation center of (0, 0), what will be…

A: now co ordinates of D are (-2,-1) After dilation scale factor 3  centre not change  multiply by 3…

Q: What is the area of a trapezoid with base 1 = 20, base 2 =15, and height = 4.3 cm?

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Q: What is the ratio of the volume of a cone to the volume of a cylinder, if both have a radius of 8…

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Q: How do you construct a Isosceles Obtuse Orthocenter?

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Q: The widths (in meters) of a kidney-shaped swimming pool were measured at 6-meter intervals as…

A: We are given the width of the pool with 6 meter intervals, so we can write the given values in the…

Q: Two square pyramids are similar. If the ratio of a pair of corresponding edges is a : b, what is the…

A:

Q: Two similar trapezoids have areas of 180 cm2 and 45 cm2. What is their ratio of similarity? O A. 1:2…

A: Solve for ratio

Q: If the volume of two similar spheres are 128m³ and 1458m3 1. What is their scale factor? 2. What is…

A:

Q: A regular hexagon is dilated by a scale factor of 0.4 to create a new hexagon. The perimeter of the…

A: Let us take the length of the side of the hexagon as x, then the perimeter is 6x.

Q: How does the area formula for a trapezoid work?

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Q: What are the two requirements necessary for a figure to have dilation?

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Q: If rectangle EPOR is dilated from the origin with a scale factor of 1/2, the area of the rectangle…

A: Given the given diagram is The given rectangle is dilated from the origin with a scale factor of…

Q: What is the area of the decagon?

A: Given, A  regular decagon, Perpendicular distance from center to  the side of the decagon is 12.3 in…

Q: Which of these is the shape created by slicing straight across a figure parallel to the base? O…

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Q: If you have a block that looks like 2cm in size and feels like 3cm in size, and the reliability of…

A: Given that a block looks like 2cm in size and feels like 3cm in size, and the reliability of the…

Q: = the area of the unshaded region?

A: t Distribution: The t distribution is symmetric distribution. it is also called student t…

Q: The two most accurate ways to measure the size of a three dimensional figure are to use length and…

A: We have to given a statement, we have to discuss it is true or false.

Q: 21. Describe the cross section of the rectangular prism.

A: To describe cross-section of the rectangular prism.

Q: A diameter consists of two separate radii. O True O False

A: Recall:  Every diameter has length equal to the twice the radius.

Q: A cone has a radius of 5 and a height of 11. What is the volune?

A: Volume of cone =13πr2h where r is the radius of cone and h is the height of the cone.

Q: What is the difference between a dome and a sphenoid?

A: difference between a dome and a sphenoid

Q: What is the area of the TRAPEZOID in the composite figure?

A: To find the area of the TRAPEZOID in the composite figure.

Q: Determine, using the method of composite areas, the second moments of area of part 3 about the…

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Q: 4.) Find the area of the trapezoidal cross-section of the irrigation canal shown below, your answer…

A: Given:

Q: What is the volume ratio between the spheres shown?

A: given,

Q: If the pre-image of a shape has an area of 16. What is the area of the image if the scale factor is…

A: Given: Pre-image of a shape has an area = 16 scale factor =4 To find area of the image

Q: A pop-up sprinkler sprays water in a semicircular area, as modeled in the figure below. What is the…

A: Formula:area of Semi circular region=S=π2r2where r= radius

Q: a. What is the degree of precision of Trapezoidal rule?

A: