Question

Can some one pls help me with this?

Answer 1

The area of a trapezoid is:

$A_{trapezoid}=\frac{1}{2}h(b_{1}+b_{2})$

So let's plug numbers in:

$A_{trapezoid}=\frac{1}{2}*4(4.2+6.1) = 20.6m^{2}$