10. Find the value of the angle marked X....
43°
O A) 90
O
B) 43
O )47
O D) 53
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Step-by-step explanation:
When the sum of the measures of two angles is 90°, the ... Example 10: Sum of interior angles on the same side of a ... the values of x and y. ... 43° + 58° + 79° = 180°.
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