Answer:
2 square root of 20
3*5^1/2+5^1/2
4* 5^1/2
Step-by-step explanation:
x = 8
complementary angles sum to 90°
sum the 2 angles and equate to 90
5x + 50 = 90 ( subtract 50 from both sides )
5x = 40 ( divide both sides by 5 )
x12
See attached graph:
