What is the value of m∠1 to be if ∠1 and ∠2 are complementary angles and m∠2=85° ?
1 answer
If ∠1 and ∠2 are complementary angles, the sum of their measures is 90°. If m∠2 = 85°, then the value of m∠1 to be would be 90° - 85° = <<90-85=5>>5°. Answer: \boxed{5}.