Question

Question 7 (i)
In a right triangle ABC, B =90^o.

If AB= 6cm, BC= 8cm, find AC.

Answer 1

Using Pythagoras theorem,

$A{C}^2=A{B}^2+B{C}^2\Rightarrow A{C}^2=(6{)}^2+(8{)}^2\Rightarrow A{C}^2=36+64=100\Rightarrow AC=10cm$