Answer:
58
Explanation:
(4x) + (7x + 2) = 90
11x + 2 = 90
11x = 88
x = 8
(7x + 2) = 7(8) + 2 = 58
4x + 7x + 2° = 90° { being complementary angles }
11x = 90° - 2°
11x = 88°
x = 88° / 11
x = 8°
<YVZ = 7 * 8° + 2° = 58°
Hope it will help :)
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