The area of the following shape, correct to two decimal places is?

Find the area of the following shape in square centimetres.

A rectangle having length of \(\rm{8}~\text{m}\) has an area of \(\rm{48}~\text{m}^2{\rm{.}}\) Find the area of a new rectangle having half the width of original rectangle

A triangle has an area of \(\rm{40}~\text{cm}^2\). If its base length is \(\rm{10}~\text{cm}\rm{,}\) what will be the area of new triangle if its height is twice the perpendicular height of old triangle?

Find the area of the following rectangle (in \(\text{m}^2)\). 

Find the area of the following triangle

The area of a parallelogram is 342 square centimeters. If the height is 19 centimeters, find the length of the base.

Find the area of this figure

Find the height of a triangle if the base is 4.2 m long and the area of the triangle is 13.44 m²?