Question

qus.no. 7 plz solve this

Answer 1

AB =6cm
we would use Pythagoras theorem to find x
we know a^2 +b^2 =c^2
=x^2 + 16 = 36
x^2 = 20
$x = \sqrt{20}$
x=
$x =2 \times \sqrt{5}$

hope this helps