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Find the value of x for which
A.31
B.43
C.121
D.47

Find the value of x for which A.31 B.43 C.121 D.47-example-1

1 Answer

2 votes

Answer:

The value of x is 31°

Explanation:

As we can see, the two angles at the bottom of the shape are base angles. These angles both form right angles which means they both have a measurement of 90°. Knowing this information, we can set up an equation to solve for x.

47 + (x + 12) = 90

47 + x + 12 = 90

Add 12 to 47.

59 + x = 90

Subtract 59 on both sides of the equation.

x = 31

The value of x is equal to 31.

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