Question

In a traingle ac is 20 and bc is10 find the length of ab

Answer 1

We use the Pythagorean theorem here,
a^2 + b^2 = c^2
= 10^2 + 20^2 = c^2
= 100 + 200 = c^2
= 300 = c^2
Square root of 300 = 10.3.
So c^2 = 10.3
AB = 10.3