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3 years ago

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The measure of a leg of an isosceles triangle is twice the measure of its base. If the perimeter of the triangle is 64 units, wh

at is the measure of the base of the triangle?
A. 5.7 units
B. 12.8 units
C. 16.0 units
D. 21.3 units

1 answer:

VLD [36.1K]3 years ago

7 0

Answer:

B. 12.8

Step-by-step explanation:

I took the test.

Hope you pass( please mark(me) as brainiest.)

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Which line segment is not a diameter or radius of circle F?

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Short Answer: AB
Argument
Take F to be the center. The line segment that IS a diameter or radius must either go through F (that would make the line a diameter) or to be a radius the segment mus end in F and touch the circumference once. See below.

The diameter must not only go through F, it must touch the circumference in two places. EFB is a diameter. So is AFC

The radius must have 1 endpoint at the center and one endpoint on the circumference. DF is a radius.

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Answer: AB

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What is the area of the fire pit? (Use 3.14 for pi.)

laila [671]

Answer:

$Area = 65.94$

Step-by-step explanation:

I will assume that the shaded region is the fire pit

Given

$R = 5$

$r = 2$

Required

Determine the area of the fire pit

First, calculate the area of the big circle.

$A_2 = \pi R^2$

Area of the small is:

$A_1 = \pi r^2$

The area of the pit is:

$Area = A_2 - A_1$

$Area = \pi R^2 - \pi r^2$

$Area = \pi (R^2 - r^2)$

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