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Determine the value of x in the figure.
Question 11 options:

A)

x = 40

B)

x = 135

C)

x = 90

D)

x = 45

Determine the value of x in the figure Question 11 options A x 40 B x 135 C x 90 D x 45 class=

Respuesta :

Since this is an isosceles triangle, that means that x, and the angle opposite from x, are the same. We take 135° and subtract that from 180°. That gives us 45°. Since the angle opposing x is 45°, then x is 45° as well.



So your answer is 45

x is 45

the angle right above 135 is the same as x, and the angle above 135 is 45