How can we find % Loss?

(new - original) / original * 100 %

Step-by-step explanation:

To find a percent loss,

Take the new amount

Subtract the original amount

(new - original)

Then divide by the original

(new - original) / original

Multiply by 100 percent

(new - original) / original * 100 %

That is the percent loss

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: