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Agata [3.3K]
4 years ago
15

can someone show me how to do this step by step so i can better understand it in the future? it deals with area, and math isn't

my strong subject. thank you!!

Mathematics
1 answer:
raketka [301]4 years ago
4 0

The figure is separated into triangles.

The triangle has a base of 8 inches and a hypotenuse of 10 inches.

Using the Pythagorean theorem solve for the height of the triangle:

10^2 = 8^2 + x^2

100 = 64 + x^2

x^2 = 100-64

x^2 = 36

x = √36

x = 6

The height of the triangle is the width of the rectangle and the length of  the rectangle is 2 triangle bases ( 8 * 2 = 16)

Area of a rectangle is L x W = 6 x 16 = 96 square inches.

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Answer:

C

Step-by-step explanation:

The center of the large circle is Center D. It has can area of 900 pi square units. This means that according to the formula of the area of circle,

\pi    {r}^{2}

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Since Point D is the center of the large circle, by definition of a circle, diameter, and radius.

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The area of the 3 small circles are equal so this means that the radius,any physical characteristics of the 3 circles are equal.

This means that each diameter of the 3 circles equally divide the diameter of the large circle into 3 equal parts.

This means Circle C diameter is 20.

Circumference is

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Select the correct answer from each drop-down menu.
Makovka662 [10]

The correct options regarding the circle with endpoints of the longest chord at (4, 5.5) and (4, 10.5) are:

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  • (x - 4)^2 + (y - 8)^2 = 6.25

<h3>What is the equation of a circle?</h3>

The equation of a circle of center (x_0, y_0) and radius r is given by:

(x - x_0)^2 + (y - y_0)^2 = r^2

The center is the <u>midpoint of the chords</u>, hence:

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