Post a New Question

posted by tia Friday, October 15, 2010 at 2:38pm.

AB is 9cm and AC is 19cm calculate the lenght of BC if the angle is a 90 degress

Pythagorean theorem: a^2 + b^2 = c^2 9^2 + 19^2 = c^2 81 + 361 = c^2 442 = c^2 21.0238 = c

More Related Questions