What is the percent of change from 55lbs to 24lbs

56.36363636363636

Step-by-step explanation:

Percent change = 24 - 55

|55|

x 100 = -31

55

x 100 = -56.36363636363636 % (decrease)

Where: 55 is the old value and 24 is the new value. In this case we have a negative change (decrease) of -56.36363636363636 percent because the new value is smaller than the old value.

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: