3 years ago

What is the center and radius?

Mathematics

1 answer:

lozanna [386]3 years ago

4 0

Answer:

Center: the middle of the circle. Radius: the fixed distance from the center to any point on the circle is called the radius.

Step-by-step explanation:

The center is a fixed point in the middle of the circle; usually given the general coordinates (h, k). The fixed distance from the center to any point on the circle is called the radius.

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From the diagram below, if the sides AD = 3 and DC = 27, and BD = X + 3, find x.

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Given:

• AD = 3

• DC = 27

• BD = x + 3

Let's solve for x.

To solve for x, apply the altitude formula:

$\frac{AD}{BD}=\frac{BD}{DC}$

Where BD is the altitude.

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$\begin{gathered} (x+3)^2=3*27 \\ \\ (x+3)^2=81 \end{gathered}$

Take the square root of both sides:

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Therefore, the value of x is 6 .

ANSWER:

d. 6

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1 year ago