Area Related to...

When the figure above is spun around its vertical axis, the total surface area of the solid formed will be

Referring to the figure, if area of square $$1$$ is $$16$$ square units, area of square $$2$$ is $$48$$ square units, then the area of square $$3$$ is

The figure is shown in a rectangle topped with a semicircle. The base of the rectangle is one-third its height. If $$h$$ is the height of the rectangle, what is the area of the figure?

If the radius of the circle with centre O is $$7$$ and the measure of angle AOB is $$100$$, what is the best approximation to the length of arc AB?

Find the area of shaded portion, where the length of it is $$14$$ units and radius of the upper semicircle is $$7$$ units.

In the figure given above, radius of a greater circle is $$r\ cm$$. Find the area of non-shaded portion

A horse is tied to a pole fixed at one corner of a $$50m\times 50$$ square field of grass of means of a $$20m$$ long rope. What is the area of that part of the field which the horse can gaze?

Find the area of sector when its area is $$6cm$$ and radius $$5cm$$

The radius of a circle is $$14$$ metres. A chord of this circle subtends an angle of $${60}^{o}$$ at the centre.  Find the area of the smaller segment cur off by the chord.

A rope by which a calf is tied is increased by $$12m$$ to $$23m$$. How much additional grassy ground shall it graze?