Area Perimeter Tiling

Which of the following equations does NOT represent how to find the perimeter, P, of the following shape?

• P = LW + LW

• P= 2L + W + W

• P= 2L + 2W

• P= L + L + W + W

Tags

CCSS.4.MD.A.3

Tyree's dad is tiling the floor in their living room. The living room is 3 yards long and 2 yards wide. The area of each tile is 1 square foot. How many tiles will Tyree's dad need?

• 6

• 10

• 30

• 54

Area of rectangle is given by __________

• Length + breadth

• Length - breadth

• Length × breadth

• Length / breadth

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Area of a rectangle with length 32 cm and breadth 18 cm is _______.

• 512 sq. cm

• 576 sq. cm

• 544 sq. cm

• 540 sq. cm

Answer explanation

Option 2 is correct as area of rectangle = Length × breadth = 32 cm × 18 cm = 576 sq. cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Area of a rectangular park with length of 65 m and breadth of 42 m is _______.

• 2665 sq.m

• 2624 sq.m

• 2795 sq. cm

• 2730 sq.m

Answer explanation

Option 4 is correct as area of rectangular park = Length × breadth = 65 m × 42 m = 2730 sq.m

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Area of the given figure is _____.

• 600 sq. m

• 330 sq. m

• 930 sq. m

• 660 sq.m

Answer explanation

Option 3 is correct as area of figure = area of large rectangle + area of small rectangle = (30 × 20) + (22 × 15) = 600 + 330 = 930 sq. m

Tags

CCSS.3.MD.C.7D

What is the cost of tiling a rectangular plot of land 64 m long and 31 m wide at the rate of ₹ 50 per sq m.?

• ₹ 96000

• ₹ 99200

• ₹ 89280

• ₹ 97650

Answer explanation

Option 2 is correct as area of rectangle = length × breadth = 64 m × 31 m = 1984 sq. m Cost of tiling 1 sq. m = ₹ 50 Cost of titling 1984 sq. m = 1984 × 50 = ₹ 99200

Tags

CCSS.6.G.A.4

The area of a rectangular field is 1296 sq. m. If the length of the field is 48 m, find the perimeter of the field.

• 27 m

• 75 m

• 150 m

• 1296 m

Answer explanation

Length = 48 m Let the breadth be b m Area of rectangle = Length x breadth = 48 x b According to the question, 48 b = 1296 b = 1296/48 = 27 So, breadth of rectangular field = 27 m Perimeter of rectangular field = 2(Length + breadth) = 2(48 + 27) = 150 m So, option 3 is correct.

Tags

CCSS.4.MD.A.3

Mrs. Lambert drew the model below in order to determine how much fencing she needs for her dog pen. Based on the measurements provided in the model, how many feet of fencing does Mrs. Lambert need to build the dog pen?

• 46 ft.

• 23 ft.

• 112 ft.

• 32 ft.

Tags

CCSS.4.MD.A.3

What is the perimeter?
(click to show image)

• 20 metres

• 40 metres

• 60 metres

• 200 metres

Tags

CCSS.3.MD.D.8