7. In the diagram below, there are two concentric circles (circles with the same center and different radii measures). The inner circle has a radius of 20 units, and the outer circle has a radius of 23 units. Are the three circles similar? Why or why not?

Q: 1. If (0, 0), (3, 0) and (x, y) are the vertices of an equilateral triangle, find x and y.

A:

Q: Gans Chapter 3: Section 9. Please do Exercise 1a only. Picture and Theorem 46 included. Theorem…

A: We are given the following triangle which is subdivided into other triangles in any manner. We have…

Q: 9. Given cyclic quadrilateral ABCD shown in the diagram, and the measure of arc CDA 250°, find the…

A:

Q: A circle is circumscribed about a regular triangle. A second circle concentric to the first is…

A:

Q: (-3, 2) and (12, 10) are points on opposite ends of the diameter of a circle. What is the radius of…

A:

Q: 4.) Which of the following illustrates circle H with radius segment C H and diameter segment CA ?

A:

Q: Diagram 2 shows a circle with centre O and a diameter of 42 cm. Điberi luas-sekter-majer-OPO ialah…

A: Given, The circle  with centre O and Diameter = 42 cm Area of major sector OPQ = 1155 cm2 We have to…

Q: Part B Which best describes the relationship between polygon GHJK and polygon G'H'J'K'?

A: i have provided solution in step2.

Q: Given a circular cylinder with radius of 8 inches and height of 20 inches, which of the following is…

A: The answer is oval  see the reason below

Q: If you are offered THREE slices from a round pizza (in other words, a sector of a circle) and the…

A: To find the diameter of the largest slice of pizza.

Q: Two cities are 2000km apart and lie on the same north-south line. The lattotide of the northmost…

A: Here we will use the formula of arc length in terms of angle subtended and radius of the circle

Q: 11. If the radius of a circle is 9 in., find the radius of a circle whose area is (a) 4 times as…

A:

Q: A pattern of shapes that fit perfectly together is called Blank 1.

A: When we put a pattern of flat shapes together so that we leave no gaps in between them is…

Q: What if...? Suppose the shutter were formed by 8 blades instead of 10 blades. What would the measure…

A: Shutter is formed by 8 blades.

Q: 7. In the circle, mBC = 62°. The diagram is not drawn to scale. %3D

A: If a tangent and a chord intersect at a point on a circle, then the measure of each angle formed is…

Q: How do the changing SA/V ratios for spheres of differing radii compare to the relationship of SA/V…

A: The surface area and volume of sphere is given by

Q: 1. The hour hand of a large clock mounted in a clock tower travels through an angels of 45. if the…

A:

Q: If a point on the pre-image has coordinates (3, -4), and the coordinates of its image are (12, -16),…

A: Given: A point on the pre-image has coordinate (3,-4), and the coordinate of its image are (12,-16)…

Q: a slide, a tetherball, and a swing are all 20 feet apart in a park, where could a water fountain be…

A:

Q: Which geometric solids could be used to describe the approximate shape of the silo?

A: In this question we have to find which geometric solids could be used to best describe the…

Q: 8. If the perimeter of a sector is 4 times its radius, then the radius measure of the central angle…

A: Given that Let the radius = r Perimeter P = 4r

Q: similar triangles

A:

Q: 7. Escher was an artist who accidentally incorporated non-Euclidian geometry into his work. True or…

A: THE STATEMENT IS ABSOLUTELY TRUE M C ESCHER WAS A DUTCH ARTIST AND HE MANAGED TO REPRESENT MANY…

Q: Here is a right square pyramid. 4 15 16 What is the measurement of the slant height I of the…

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

Q: 4. If the area of sector XHY = 78 miles and mXY = 70°, then determine the radlus of circle H. H Y

A: Consider the given figure as,

Q: 1. What scale factor can be applied to Cone 1 to make Cone 2?

A: Answer: 23

Q: Show that the point is on the unit circle. 5 2 V6 7' 7

A:

Q: A total of 250,000 m2 of land is needed to build a nuclear power plant. Suppose it is decided that…

A: Use the formula for the area of circle and length of Arc length of a sector.

Q: 1. The diagram of the kickball field on the left is a rhombus. What is the perimeter of the field?

A:

Q: 23. BA is a radius of circle B and GH is a radius of circle G. ZB LG, BC-6, and the area of sector…

A:

Q: This is a geometry question.

A: Given a figure. We need to find if the points Y, W, X, V, U, T and S are dilated images of Z under…

Q: If the shading process shown in the figure is continued indefinitely, what fractional part of the…

A: what fractional part of the largest square will eventually be shaded?

Q: If the diameter AB of a circle is located at (-8, -8) and (2, 2), what is the radius of the circle?

A:

Q: 3.1 Explain in detail the purpose of a measure of center.

A: The value that describes the data set is known as the center It is used to indicate the most typical…

Q: 1. What is the radius of a circle if its center is (-3,-2) and one point on the circle is (5,-2)? O…

A:

Q: The radius of circle B is 15 cm. If m arc AC = 50°, what is the area of sector ABC?   A. 97.14…

A: The solution is given in the next step.

Q: 5. If two chords in circle O, MN and XY, intersect at P then ZMPX = 2( MX + NY). 6. If two chords…

A: 5. The given statement is false .

Q: A pentagon with sides 3 m. 4 m. 5 m. 6 m. and 7 m has area 48 m2 Find the perimeter of a similar…

A: A pentagon is a polygon with five sides and five angles. Perimeter of a polygon equal to sum of…

Q: 3. Find the dihedral angle formed by any two adjacent faces of a regular octahedron if one edge is…

A:

Q: 1. A triangle has sides with lengths of 21 miles, 28 miles, and 35 miles. Is it an acute, right, or…

A:

Q: Given: MLAOB = 55° AOBC is equilateral; OA, OB, OC, and OD are radii of circle O.

A:

Q: Circle O has a center at (3,1) and a diameter of 10 units. Which point lies on circle O?

A:

Q: 3. The diagram shows a cuboid that is formed by bending a long wire of length 336 cm?.

A: Given : h = 4(21-x) x = 12.92 cm

Q: A circle has its center at (0,2) and one end of its diameter is located at (7,2). Determine the…

A:

Q: Suppose a triangle with the vertices (–1, 4), (–1, –2), and (2, –2) were dilated, with the center of…

A: Given  The triangle with the vertices (–1, 4), (–1, –2), and (2, –2) . Scale factor is 2 Dilation is…

Q: 3. Draw a circle of diameter 6cm. Draw any chord not passing through the centre. Shade the smaller…

A: Given:      Diameter of circle =6 cm            radius r=diameter2                           =62=3…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.