Points G and H lie on circle F as shown below. If the measure of FGH is 40°, then what is the measure of central angle
ZGFH ?
Н
F.
60°
G. 80°
H. 100°
J. 120°
404
K. Cannot be determined from the
information given
G
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answer:

c) the x-coordinate of the center of the circle increases by 3

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.

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