In the figure above, the smaller circles each have radius 3. They are tangent to the larger circle at
points A and C, and are tangent to each other at
point B, which is the center of the larger circle.
What is the perimeter of the shaded region?

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step-by-step explanation:

just for that im not answering

multiply then divide

step-by-step explanation:

b.   e = 7.5h

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the area of a triangle is determined by the formula: base x height * 1/2

you'll need to assign a base to the triangle. based on the vertices given, the simplest base would be the line segment from (-2,1) to (2,1). the distance between any two numbers is found by just subtracting them. here, you should subtract the x values to find the distance of this side.

2 - (-2) = 4.

so the distance (aka the length of the base) is 4. the height of the triangle is the distance between the base and the highest point on the triangle which is (3,4). we should subtract the y values this time to find the height/distance.

4 - 1 = 3

so the height is 3.

base = 4

height = 3

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