(4) Which set of side lengths could form a right triangle?
(A) \( 1 \mathrm{~cm}, 3 \mathrm{~cm}, 2 \mathrm{~cm} \)
(B) \( 10 \mathrm{~cm}, 6 \mathrm{~cm}, 8 \mathrm{~cm} \)
(C) \( 5 \mathrm{~cm}, 10 \mathrm{~cm}, 15 \mathrm{~cm} \)
(D) \( 7 \mathrm{~cm}, 7 \mathrm{~cm}, 7 \mathrm{~cm} \)

Answer

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Answer

\( 10^2 = 6^2 + 8^2 \)

Steps

Step 1 ：\( 10^2 = 100 \)

Step 2 ：\( 6^2 + 8^2 = 36 + 64 = 100 \)

Step 3 ：\( 10^2 = 6^2 + 8^2 \)