Ensley used this figure in her proof of the Pythagorean theorem.

Question

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In her proof, Ensley wrote the formula a+b−−−−√=c2. Which of the following explains why her formula is incorrect?

A
The sum of the square of a and the square of b should be equal to the square of c.

B
The sum of the square root of a and the square root of b should be equal to the square of c.

C
The square root of the sum of a and b should be equal to the square root of c.

D
The sum of the square of a and the square of b should be equal to the square root of c.

Answer 1

D