Examine the right triangle. what is the length of the hypotenuse, c?
answers are in the pic

a^2+b^2=c^2 <----- the equation to find out sides for a right triangle

Every right triangle follows the pythagorean theorem: given the legs and and the hypothenuse we have

In your case, a=3 and b=5, so we have

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )