Area of a right triangle from the hypotenuse and a leg
Find the other leg with the Pythagorean theorem, then use area = ½ × base × height.
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A right triangle has a hypotenuse of 123 km and one leg of 27 km. What is its area, in square km?
Answer: 1620
A right triangle has a hypotenuse of 17 km and one leg of 15 km. What is its area, in square km?
Answer: 60
A right triangle has a hypotenuse of 37 km and one leg of 12 km. What is its area, in square km?
Answer: 210
Tip: Find the other leg with the Pythagorean theorem, then use area = ½ × base × height.
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