3 years ago

In a right triangle PQR,∠Q=90

Mathematics

1 answer:

Nikitich [7]3 years ago

6 0

Answer:

a) PR = 17 cm, b) QR = 6 cm

Step-by-step explanation:

∠Q=90, so PQ and QR are legs, and PR is hypotenuse.

Pythagorean theorem PQ² + QR² = PR²

a) PQ² + QR² = PR²

8² + 15² = PR²

PR² = 289

PR = 17 cm

b) PQ² + QR² = PR²

8² + QR² = 10²

64 + QR² = 100

QR² = 36

QR = 6 cm

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