The hypotenuse of a right-angled triangle is 3 cm, and one of the legs is 1 cm. Find the length of the other leg.
| September 17, 2021 | education
In order to find the length of the second leg of a right-angled triangle, we will use the Pythagorean theorem. The dina of the second leg will be the square root of the difference between the squares of the hypotenuse and the first leg.
a = √ ((3 cm) ² – (1 cm) ²) = √ (9 cm² – 1 cm²) = √8 cm² = 2.8 cm.
Answer: the leg length is 2.8 cm.
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