Triangle F G E is shown. Angle F E G is a right angle. The length of hypotenuse F G is 15.2 meters and the length of F E is 9 meters. Angle F G E is x. Which equation can be used to find the measure of angle FGE? sin(x) = StartFraction 15.2 Over 9 EndFraction sin(x) = StartFraction 9 Over 15.2 EndFraction cos(x) = StartFraction 15.2 Over 9 EndFraction cos(x) = StartFraction 9 Over 15.2 EndFraction

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second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.

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step-by-step explanation:

the answer is 13 cm