Pls I need help this

the third side is 4.

Step-by-step explanation:

Using  Pythagorean theorem of a^2 + b^2 = c^2 for right triangles, substitute

the numbers to show ( + = and solve for b. The square root and square cancel each other out, so you get 65 + = 81.

Subtract 65 from both sides to get = 16.

Then take the square root of both sides to get b = which equals 4.

answer: ask

step-by-step explanation:

answer: finding the extract measurements and knowing the points

step-by-step explanation: