VIII-C2 Area and Perimeter Relationships

Dawa’s garden has an area of 81 m². He wants to fence one of the sides using wire mesh. Which of the following is the correct length of the wire?

• 9 m

• 18 m

• 36 m

• D 54 m

The length and width of the television screen measures 80cm by 40cm.  Which of the following dimensions have the same perimeter as that of the television screen?

• 60cm by 40cm

• 60cm by 50cm

• 70cm by 50cm

• 70cm by 60cm

The area of Gaylek’s chessboard top is 64cm². His friend Nado wanted to make a chessboard of the same size. What would be the side length of Nado’s chessboard?

• 4 cm

• 8 cm

• 16 cm

• 32 cm

A rectangle has an area of 18cm². Which dimensions below will result in same perimeter as its area?

• 1 cm × 18 cm

• 2 cm × 9 cm

• 3 cm × 6 cm

• 9 cm × 2 cm

In a school there are 441 students. The school sport’s instructor wants to arrange the students in such a manner that the number of rows and columns are equal to conduct an aerobic. How many rows and columns can be made?

• 11

• 20

• 21

• 41

A farmer is making a fence for his square shaped kitchen garden. He uses 300 m of barded wires. What is the length of each side?

• 50 m

• 75 m

• 100 m

• 150 m

Deki wants to cover the top of a square table with a readymade ply sheet. Which of the ply size below is the best possible choice?

• 200 sq unit

• 300 sq unit

• 400 sq unit

• 500 sq unit.

A perimeter of a rectangle is 34 meters.  The width is 4 meters.  What would the length be?

• 15 meters
• 10 meters
• 13 meters
• 12 meters

What is the height of the parallelogram?

• 3 cm

• 4 cm

• 5 cm

• 6 cm

Kinley wants to paint the front portion of a house as shown below. How many litres of paint does she need to buy, if 1 litre of paint can paint 1 m².

• 28 Litres of paint

• 44 Litres of Paint

• 33 Litres of paint

• 37 litres of paint