The lengths of the legs of a right triangle are 9 cm and 40 cm. What is the length of the hypotenuse? A. 39 cm B. 41 cm C. 49 cm D. 65 cm

Question

asked Apr 11, 2020 106k views

2 Answers

Reto · Answer 1 · 2020-04-12T19:59:29+0000

Answer:

B

Explanation:

Use pythagorean theorem a² + b² = c², where a and b are legs, and c is hypotenuse.

9² + 40² = c²

√(9² + 40²) = c

√(81 + 1600) = c

√1681 = c

41 = c

So length of hypotenuse is 41 cm.