For the following right triangle, find the side length x.

Step-by-step explanation:

Use a^2 + b^2 = x^2

a = 15

b = 20

15^2 + 20^2 = x^2

225 + 400 = x^2

x^2 = 625       Take the square root of both sides.

√x^2 = √625

x = 25

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation: