Question

In ABC
AB=4
BC=5
AC= ?​

Answer 1

Answer:

In triangle ABC

Angle - B is 90 degree

Then

AC=AB+BC

AC=4+5

AC=9

Answer 2

Answer:

AC=√41

Step by step explaination:

By Pythagoras theorem,

AC^2=AB^2+BC^2

AC^2=4^2+5^2

AC^2=16+25

AC=√41

.