Question

please answer 10th question

Answer 1

1.4m............................

Answer 2

apply Pythagoras

4.8^2+x^2=5^2next step is give in hint..same follow

so x^2=5^2-4.8^2
x^2=(5-4.8)(5+4.8)
= 0.2×9.8
= 1.96
x =1.4