Chapter 7 Perimeter

If the perimeter of a square is 24 cm. Find its area.

• 24 cm²

• 36 cm

• 30 cm²

• 36 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

The perimeter of a rectangular field is 240 m. If its length is 90 m, find its area.

• 360 m²

• 2400 m²

• 30 m²

• 2700 m²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

The length and breadth of a rectangular field are equal to 600 m and 400 m respectively. Find the cost of the grass to be planted in it at the rate of ₹ 2.50 per m².

• ₹ 2,40,000

• ₹ 6,00,000

• ₹ 60,000

• ₹ 24,000

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Area of a circle is 154 cm², find its circumference.

• 14 cm

• 24 cm

• 34 cm

• 44 cm

Tags

CCSS.7.G.B.4

In the given figure, find the area of the shaded portion.

• 10.5 cm²

• 49 cm²

• 38.5 cm²

• 42 cm²

A garden is 5050m long and 4242m broad. A path of 22m wide is built outside and around it. Find the area of the path in hectares?

• 0.384hectare

• 384hectare

• 0.00384hectare

• 0.0384hectare

A rectangular field of length 5050m and breadth 4545m need to be fenced. Find the cost of fencing if the changes are Rs. 44 per meter.

• Rs. 760

• Rs. 505

• Rs. 740

• Rs. 76

Tags

CCSS.3.MD.D.8

The diameter of a wheel is 40 cm. How many revolutions will it make on covering 176 m?

• 140

• 150

• 160

• 166

If the perimeter of a semicircular protractor is 36 cm, find the diameter.

• 14 cm

• 16 cm

• 18 cm

• 12 cm

Tags

CCSS.7.G.B.4

A wire is in the shape of a square of side 10 cm. If the wire is rebent into a rectangle of length 12 cm, find its breadth.

• 12 cm

• 7 cm

• 8 cm

• 9 cm

Tags

CCSS.3.MD.D.8