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## Tamilnadu Samacheer Kalvi 6th Maths Solutions Term 3 Chapter 3 Perimeter and Area Additional Questions

Question 1.

The length of a rectangular field is twice its breadth. Ramu runs around it four times and covered a distance of 6 km. What is the length of the field.

Solution:

Breadth of rectangular field = b m

Length of the field = 2b m

Distance covered in one round = perimeter

Distance covered in 4 rounds = 4 × perimeter

Length of the field = 2 × 250 = 500 m

Question 2.

How many tiles whose length and breadth are 12 cm and 5 cm respectively will be needed to fit in a rectangular region whose length and breadth are 70 cm and 36 cm?

Solution:

Given length of the rectangular region = 70 cm

Question 3.

A room is 4m long and 3m 50cm wide, How many square metres of carpet is needed to cover the floor of the room?

Solution:

Given length of the room = 4 m

Breadth = 3 m 50 cm = 3 m + 50 cm

Carpet needed = Area of the floor = length × breadth

= 4 × 3.5 m = 14 sq. m

Question 4.

Find the area of the square Whose side is 14 cm.

Solution:

Side of the square = 14 cm

Area of the square = side × side = (14 × 14) cm^{2} = 196 sq cm.

Question 5.

Two sides of a triangle are 12 cm and 14 cm. The perimeter of the triangle is 36 cm. What is its third side.

Solution:

Given two sides of a triangle = 12 cm and 14 cm

∴ Perimeter = 36 cm

12 cm + 14 cm + third side = 36 cm

Third side = 36 – 26 = 10 cm

∴ Length of the third side