Advanced Math practice question

Answer: 40

The other leg is √(289 − 64) = √225 = 15. Perimeter = 8 + 15 + 17 = 40.

Common wrong answers

If you answered 25

25 is 8 + 17, leaving out the third side.

If you answered 45

45 uses a leg of 20.

If you answered 60

60 is the area (8 × 15 ÷ 2).

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