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15-01-2019
Mathematics

contestada

the lengths of the legs of a right triangle are 9 cm and 40 cm

what is the length of the hypotenuse

a. 39

b. 41

c. 49

d. 65

Respuesta :

hyejin24 hyejin24

15-01-2019

use the formula a^2+b^2=c^2

a and b are the legs of the triangle and c is the hypotenuse.

substitute the variables for numbers

9^2+40^2=c^2

solve

9^2+40^2=1681

because it's squared do slice for square root

√1681=41

answer: B. 41

Answer Link

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