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2 years ago

6

Please help with question 13!! BRAINLIEST to correct answer!!!

1 answer:

kogti [31]2 years ago

5 0

Answer:

true

Step-by-step explanation:

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Read 2 more answers

What is the diameter of circle T?

Ratling [72]

Answer:

$Diameter = 16$

Step-by-step explanation:

Given

$\theta = 72$

$Sector = \frac{64}{5}\pi$

Required

Calculate the diameter

The area of a sector is:

$Area = \frac{\theta}{360} * \pi r^2$

Substitute values for Area and $\theta$

$\frac{64}{5}\pi = \frac{72}{360} * \pi r^2$

Divide both sides by $\pi$

$\frac{64}{5} = \frac{72}{360} * r^2$

Make $r^2$ the subject

$\frac{64*360}{5*72} = r^2$

$\frac{64*360}{360} = r^2$

$64 = r^2$

Take positive square roots of both sides

$\sqrt{64} = r$

$8 = r$

$r = 8$

The diameter is then calculated as:

$Diameter = 2r$

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5 0

2 years ago

PLEASE PLEASE PLEASE HELPPPPP

mario62 [17]

Answer:

Step-by-step explanation:

B beacuse I did this before..

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3 years ago