Question

Here is a triangle ABC
Assume that angle ACB = 90*
Work out the length AB

Answer 1

AB=±√274

Explanation:

AB^2=AC^2+BC^2 |Pythagoras

AB^2=(15)^2+(7)^2

AB^2=225+49

AB^2=274

√AB^2=±√274

AB=±√274