Algebra practice question

Answer: 12

The intercepts are (4, 0) and (0, 3), so the legs are 4 and 3 and the hypotenuse is 5: perimeter 12.

Common wrong answers

If you answered 6

6 is the area.

If you answered 7

7 adds only the two legs.

If you answered 9

9 uses a hypotenuse of 2.

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