Area of Mixed Shapes

Q.

There is a square park in the society. The management wants to put a circular fountain at the centre of the park with diameter 14 m. The remaining area is to be covered with grass. If the cost of laying grass is Rs. 20 per $m^2$ and the cost of constructing the fountain is 10 per $m^2$ . Find the length of the field if the total cost incurred is Rs.6460.( Use π = 22/7)

___

Q.

In the following figure, the area of the total cloth required is $80c{m}^2$ and the area of the yellow cloth required is $60c{m}^2$. If the red colored parts are congruent to each other and the blue cloth is $\frac{1}{{10}^{th}}$ of the yellow cloth, what is the area of the red cloth required?

Q.

The area of the given figure is ___ $c{m}^2$ . (Both the ends are semi-circular)(All dimensions in cm and $\pi$ = 22/7)

Q. Find the area of the figure, if the diameter BC is 14 cm and AD = 16 cm.

1. $56c{m}^2$
2. $77c{m}^2$
3. $112c{m}^2$
4. $189c{m}^2$

Q.

The area of the given figure is ____ $c{m}^2$​. (Both the ends are semi-circular)(All dimensions in cm and $\pi$ = 22/7)

___

Q.

There is a square park in the society. The management wants to put a circular fountain at the centre of the park with diameter 14 m. The remaining area is to be covered with grass. If the cost of laying grass is Rs. 20 per $m^2$ and the cost of constructing the fountain is 10 per $m^2$ . Find the length of the field if the total cost incurred is Rs.6460.( Use π = 22/7)

1. 20 m
2. 40 m
3. 30 m
4. 50 m

Q.

The area of the given figure is ____ $c{m}^2$​. (Both the ends are semi-circular)(All dimensions in cm and $\pi$ = 22/7)

___