Which of the following could not be the lengths of the sides of a right-angled triangle?

A. 3, 4, 5
B. 5, 12, 13
C. 8, 15, 17
D. 12, 15, 18
E. 9, 12, 15

12^2 +15^=18^ 144+225=324 Add 144 to 225 = 369 369=324 Divide 369 to 324 = 1.13888889 1.13 is your answer D is a false statement

Answered by veronicacherie | 2024-06-10

D. Because of the Pythagorean Theorem that says a^2+b^2=c^2 12^2+15^2=18^2 144+225=324 369=324 This statement is false, so tees can't be the sides of a right triangle.

Answered by HannahN | 2024-06-10

The lengths 12, 15, and 18 cannot form a right-angled triangle, as they do not satisfy the Pythagorean theorem. All other sets of lengths provided do satisfy the theorem. Therefore, the correct option is D.
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Answered by Anonymous | 2024-12-24