Answer:
6.1° and 83.9°
Step-by-step explanation:
Complementary angles sum 90°
a+b = 90°
a = b - 77.8
then:
(b - 77.8) + b = 90
2b - 77.8 = 90
2b = 90 + 77.8
2b = 167.8
b = 167.8/2
b = 83.9°
a = 83.9 - 77.8
a = 6.1°
I belive the answer is 1380.
The answer is -1.879699
2
add 1+1
244 inches squared
basically just subtract the area of four rectangles by the total area of cardboard. so you would get 500-256=244
