Area of a Polygon

Find the area of the shaded portion in the following figure in ${\mathrm{cm}}^2$. Take $\mathrm{\pi }=\frac{22}{7}$.

Find the area of the shaded portion in the following figure in ${\mathrm{cm}}^2$.

Find the area of the shaded portion in the following figure in ${\mathrm{cm}}^2$. Take $\mathrm{\pi }=\frac{22}{7}$.

Find the area of the following field in ${\mathrm{m}}^2$. All dimensions are in metres.

Find the area of the following field in ${\mathrm{m}}^2$. All dimensions are in metres.

Look at the sails, the jib and the mainsail of the sailboats. Assume that the sails are triangles. Find the total area of the sail of the sail boats in ${\mathrm{m}}^2$ m to the nearest hundredth.

The sailboats have two sails, the jib and the mainsail. Assume that the sails are triangles. Find the total area of the sail of the sail boats in ${\mathrm{m}}^2$ to the nearest thousandth.

The sailboats have two sails, the jib and the mainsail. Assume that the sails are triangles. Find the total area in ${\mathrm{m}}^2$ of  the sail of the sail boats to the nearest tenth.

A trapezium with$3$ equal sides and one side double the equal side can be divided into_____equilateral triangles of equal area.

Find the area of the shaded portion in the following figure.

Find the area of the shaded portion in the following figure.

What is the area of the largest triangle that can be fitted into a rectangle of length $l$ units and width $w$ units?

A circle of maximum possible size is cut from a square sheet of board. Subsequently, a square of maximum possible size is cut from the resultant circle. What will be the area of the final square?