A right triangle has legs of 12 cm and 16 cm. How long is the hypotenuse?
Answer and explanation
Correct answer: B. 20 cm
- Step 1: By Pythagoras, , so cm. Answer: 20 cm. Why not the others: 28 cm: adds the legs. 400 cm: forgets the square root. 4 cm: subtracts the legs.
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