Question

The measures of the angles of a triangle are shown in the figure below. Solve for x.

51
Answer: x=
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attempt 1 out of 2

Answer 1

x = 39°

Explanation:

The triangle shown is a right angle triangle having angles 90°, 51° and x°.

Sum of interior angles of a triangle = 180°, therefore:

`90 + 51 + x = 180`

Add like terms

`141 + x = 180`

Subtract 141 from each side

`141 + x - 141 = 180 - 141`

`x = 39`

x = 39°