Find the area of a square park, whose perimeter is 96 cm.

1

(a)

576 cm²

(b)

626 cm²

(c)

726 cm²

(d)

748 cm²

Find the length of a parallelogram, whose area is 246 cm² and base is 20 cm².

1

(a)

123 cm

(b)

13.2 cm

(c)

12.3 cm

(d)

1.32 cm

A wire is bent to form a square of side 22 cm. If the wire is rebent to form a circle. Then the Area of the circle is

1

(a)

196 cm²

(b)

212 cm²

(c)

616 cm²

(d)

644 cm²

The radii of two concentric circles are 7 m and 9 m. The area enclosed between them is

1

(a)

90 m²

(b)

90.47 m²

(c)

100 m²

(d)

100.48 m²

A cow is tied with a rope of 7 m. The grass grazed field by the cow is

1

(a)

144 m²

(b)

140 m²

(c)

154 m²

(d)

164 m²

1 hec is equal to _________ m².

1

(a)

10000

If the perimeter of an equilateral triangle is 9 cm. Then, its area is ___________ cm².

1

(a)

3.89

The diameter of a circle is 4 cm. Then, its area is ________ cm².

1

(a)

12.57

The area of a rectangle is 200 cm². If its breadth is 20 cm, then its length is _____ cm.

1

(a)

10

Perimeter of a regular polygon = Length of one side x ___________.

1

(a)

Number of sides

Triangles having the same base have equal area.

1

(a) True

(b) False

Ratio of circumference of a circle to its radius is always 2\(\pi\): 1.

1

(a) False

(b) True

5 hec = 500 m²

1

(a) True

(b) False

An increase in perimeter of a figure always increases the area of the figure.

1

(a) True

(b) False

Two figures can have the same areas, but different perimeters.

1

(a) False

(b) True

The perimeter of a rectangle is 130 cm. If the breadth of the rectangle is 30 cm, find its length. Also, find the area of the rectangle.

2

(a)

If the side of a square is increased by 20%, then how much per cent does its area get increased?

2

(a)

Area of a right-angled triangle is 16 sq cm. Find the lengths of AB and BC, if one leg of triangle is twice of the other.

2

(a)

Find the area of the following parallelograms:

2

(a)

Find the area of the following parallelograms:

2

(a)

The perimeter of a rectangular sheet is 100cm. If the length is 35 cm, find its breadth. Also, find the area.

3

(a)

The area of a square park is the same as of a rectangular park. If the side of the square park is 60 m and the length of the rectangular park is 90 m, find the breadth of the rectangular park.

3

(a)

Draw circles of different radii on a graph paper. Find the area by counting the number of squares. Also, find the area by using the formula. Compare the two answers.

3

(a)

Find the cost of polishing a circular table top of diameter 1.6 m, if the rate of polishing is Rs 15 per m².(take \(\pi\) = 3.14)

3

(a)

The circumference of a circle is 31.4 cm. Find the radius and the area of the circle? (take \(\pi\) = 3.14)

3

(a)

People of Khejadli village take good care of plants, trees and animals. They say that plants and animals can survive without us, but we can not survive without them. Inspired by her elders Amrita marked some land for her pets (camel and ox) and plants. Find the ratio of the areas kept for animals and plants to the living area. What value depicted here?

5

(a)

The inner circumference of a circular path around a circular lawn is 440 cm. What is the radius of the outer circumference of the path, if the path is 14 cm wide?

5

(a)