Question

If a=3 cm, c=15 cm, find b in the following right triangle

Answer 1

Answer:

use the pythagoras theorem

a^2 + b^2 = c^2

3^2 + b^2 = 15^2

b^2 = 225 - 9

= 216

b = _/216

b = 14.6969384567

Answer 2

No hablo inglés xd si no te hubiera ayudado :v