A right-angled triangle has a hypotenuse of 82 cm and one leg of 18 cm. What is its area in square cm?
Answer and explanation
Correct answer: D. 720
- Step 1: The other leg is 80 cm by Pythagoras.
- Step 2: Area = 1/2 x 18 x 80 = 720.
Answer
720.
Why not the others: 1440, 180 and 1442 do not fit.
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