Question

3) What is the value of side AC if AB - 7 cm and BC - 5
cm​

Answer 1

If AC is the hypotenuse then:

AB^2 + BC^2 = AC^2
Therefore

7^2 + 5^2 = AC^2
49 + 25 = AC^2
AC^2 = 74
AC = root 74.
AC = 8.6