Question

47. Calculate the value of c in the triangle below.

Answer 1

41 cm

Explanation:

c = a^2 + b^2 = 9^2 + 40^2 = 41

Answer 2

Using the Pythagorean theorem

C = sqrt( 9^2 + 40^2)

C = sqrr(81 + 1600)

C = sqrt(1681)

C = 41 cm