Question

Find the length of the hypotenuse of a right triangle if a = 3 and b = 4. Use: a2 + b2 = c2

5
Square root of 7
25
7

Answer 1

Pythagorean theorem is \(a^2+b^2 = c^2\). We know \(a = 3\) and \(b=4\). We want to find \(c\).

\[a^2+b^2=c^2\]\[\sqrt{a^2+b^2} = c\]\[c = \sqrt{(3)^2+(4)^2}\]What is the answer?