Question

For the values a = 2.9 which is a leg of a right triangle, and value c = 4.2, which is the hypotenuse, find the length of the other leg, b, to the nearest tenth

Answer 1

Pythagorean theorem a^2+b^2=c^2

so:
2.9^2+b^2=4.2^2

solve for b

Answer 2

1.3