Help me! If you know how to do algebra 1 read this!?

Question

ok there's a question on this test i have and it has a square on it and it has another square that is inside it w/ the corners touching the corners of the outside square. it makes triangles and it has a on the base part and b on the height part. the inside square's sides have a C on both sides. so the question is "set the area of the larger square equal to the sum of the areas of the 4 right triangles and the smaller square and simplify. What is the resulting equation called?

Answer 1

Pythagorean Therom

Answer 2

The Pythagorean Theorem.

Answer 3

i need a picture or a better description to asnwer