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15.01.2020 •
Mathematics
Shown here are the three essential steps in a proof of the pythagorean theorem. which statement is justified by the diagram in step 1?
a) 4(
ab
2
) = c2
b) b(a + b) = b2 + 2(
1
2
ba)
c) a2 + b2 = c2
d) (a + b)2 = a2 + 2ab + b2
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Ответ:
D)(A + B)2 = A2 + 2AB + B2
Step-by-step explan(A + B)2 = A2 + 2AB + B2 is correct. The area of the large square can be written as (A+B)(A+B) or, by adding up the areas of the two squares and two rectangles inside it, which are A2, B2, AB, and AB.
Ответ:
Answer
28 percent
Step-by-step explanation:
divide 14/50