These two images show steps in a proof of the Pythagorean theorem. Which
of the following statements about the proof is false?
a
b
a
b
b
с
C
а
a
a
a
a
b
b
с
b
a b
Step 1
ba
Step 2
O A. The triangles in step 1 have the same combined area as the
triangles in step 2
O B. The area of the interior square in step 2 is equal to c2 + ab.
C. The area of the interior square in step 2 is equal to the combined
area of the two interior squares in step 1.
O D. The proof shows that a² + b2 = ca.