Please give me the correct answer

= = 64

= 225

= 289

Step-by-step explanation:

Use the Pythagorean theorem to find the unknown side. The Pythagorean theorem states;

Where "a" and "b" are the legs, and "c" is the hypotenuse.

It is given that;

b = 15.

c = 17

a = x

+ =

+ 225 = 289

= 64

x = 8

To find the area of a square, one has to raise one of the sides to the power of two.

= = 64

= 225

= 289

the forst and 3rd

step-by-step explanation: