Find a missing side of a right triangle
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 80 km and 18 km. How long is the hypotenuse, in km?
Answer: 82
A right triangle has legs of 70 cm and 24 cm. How long is the hypotenuse, in cm?
Answer: 74
A right triangle has legs of 27 cm and 120 cm. How long is the hypotenuse, in cm?
Answer: 123
Tip: Use a² + b² = c² and solve for the missing leg: subtract the known leg squared from the hypotenuse squared.
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