Consider the function represented by the table. For which x is f(x)?=-3
-7
х
-7
-3
2
4
-3
5
-4
-8
AN
4
D5

arc length = radius * x ( in radians)

6 * pi = 18 * x

divide by 18 on each side

6 pi / 18 = x

pi/3 = x

the angle is pi / 3 radians

or   60 degrees

hi,

the area of abcd is 245.

3*24=230

4*94=1039

2*12=24

add all of them up, you get 2450

one triangle is 2.5 times bigger than the other triangle.

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