GEOMETRY 1A

If A and B are complementary angles such that A = 22° and B = x + 25° , find the value of x .

Solution

A + B = 90⁰. [Since complementary angles add up to 90⁰]

22⁰ + x + 25⁰ = 90⁰.

x +47⁰ = 90⁰.

x = 90⁰ - 47⁰

x = 43⁰  answer.

TRY THIS.............................. 

If A and B are complementary angles such that A = 35° and B = x + 26° , find the value of x .