Find a missing side: round to the nearest tenth
Use a² + b² = c² and solve for the missing leg: subtract the known leg squared from the hypotenuse squared.
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A right triangle has legs of 11 cm and 5 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
Answer: 12.1
A right triangle has a hypotenuse of 7 km and one leg of 2 km. How long is the other leg, in km? Round to the nearest tenth.
Answer: 6.7
A right triangle has a hypotenuse of 10 m and one leg of 2 m. How long is the other leg, in m? Round to the nearest tenth.
Answer: 9.8
Tip: Use a² + b² = c² and solve for the missing leg: subtract the known leg squared from the hypotenuse squared.
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