MEDIUM
7th Tamil Nadu Board
IMPORTANT
Earn 100

Kannan divides a circular disc of radius 14 cm into four equal parts. What is the perimeter of a quadrant-shaped disc? (use π=227)

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Important Questions on Measurements

EASY
7th Tamil Nadu Board
IMPORTANT

Find the area of the circle of radius 21 cm (Use π=3.14 ).

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MEDIUM
7th Tamil Nadu Board
IMPORTANT

Find the area of a hula loop whose diameter is 28 cm (use π=227 ).

MEDIUM
7th Tamil Nadu Board
IMPORTANT
The area of the circular region is 2464 cm2. Find its radius and diameter.(use π=227 )
HARD
7th Tamil Nadu Board
IMPORTANT
A gardener walks around a circular park of distance 154 m. If he wants to level the park at the rate of  25 per m2, how much amount will he need?(use π=227 )
MEDIUM
7th Tamil Nadu Board
IMPORTANT
Find the length of the rope by which a cow must be tethered in order that it may be able to graze an area of 9856 m2 (use π=227)
HARD
7th Tamil Nadu Board
IMPORTANT

A garden is made up of a rectangular portion and two semicircular regions on either sides. If the length and width of the rectangular portion are 16 m and 8 m respectively, calculate the perimeter of the garden (π=3.14).

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HARD
7th Tamil Nadu Board
IMPORTANT

A garden is made up of a rectangular portion and two semicircular regions on either sides. If the length and width of the rectangular portion are 16 m and 8 m respectively, calculate the total area of the garden. (π=3.14)

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MEDIUM
7th Tamil Nadu Board
IMPORTANT
A park is circular in shape. The central portion has playthings for kids surrounded by a circular walking pathway. Find the walking area whose outer radius is 10 m and inner radius is 3 m.