Question

Given: A and B are complementary angles. B and C are complementary angles. Prove: A C

Answer 1

see below

Explanation:

Complementary means that they add to 90 degrees

<A + <B = 90 given

<B + <C = 90 given

<A + <B = <B + <C substitution property of equality.

<A = <C subtraction property of equality