Help again lol, geometry test is soon, teacher hasn’t taught us and this is worth 80% of my grade

There would be 36.35 pounds

5\16 x 2\5 = 10/80simplify to 1/80

Complementary angles: angles whose sum is 90 degrees.supplementary angles: angles whose sum is 180 degrees.straight angle: an angle that is worth 180 degrees. (can be a straight  line)right angle: an angle that is worth 90 degrees ( usually marked by a small box and is the angle in a rectangle and square)