Answer:
Explanation:
a+10 = 90
a = 90-10
a = 80
therefore a = b
b = 80
Angles are : 40 , 50
Sum of complementary angles are 90
a + a + 10 = 90
2a + 10 = 90
2a = 90 - 10
2a = 80
a = 80/2
a = 40
a + 10 = 40 + 10 = 50
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