Perimeter and A...

In figure, what is the approximate area of parallelogram DAWN?

A lawn $$30$$ m long and $$16$$ m wide is surrounded by a path $$2$$ m wide. What is the area of the path?

Two similar parallelograms have corresponding sides in the ratio $$1:k$$. What is the ratio of their areas?

A wire of length 36 cm is bent in the form of a semicircle. What is the radius of the semicircle?

If the area of a semicircle is 84 cm$$^2$$, then the area of the circle is ....................... 

In the following figure, what is the area of the shaded circle inside of the square?

Take a circle with radius $$5$$ m, then determine the area of given circle with suitable units.

Find the circumference of a circle whose radius is-
$$35\ cm$$

Calculate perimeter of a right angled triangle whose non-hypotenuse sides are $$6$$ cm and $$8$$ cm.

In the given figure, each square contains four square grid of equal dimensions. Then calculate the area of the given figure.