Mathematics Standard 7 Term Il>Chapter 2 - Measurements>Exercise 2.2>Q 11

MEDIUM

7th Tamil Nadu Board

IMPORTANT

Earn 100

The ratio of the area of a circle to the area of its semicircle is

50% studentsanswered this correctly

Important Questions on Measurements

EASY

7th Tamil Nadu Board

IMPORTANT

Mathematics Standard 7 Term Il>Chapter 2 - Measurements>Exercise 2.2>Q 12

Area of a circle of radius

' n'

units is

EASY

7th Tamil Nadu Board

IMPORTANT

Mathematics Standard 7 Term Il>Chapter 2 - Measurements>Try these>Q (i)

If the outer radius and inner radius of the circles are respectively

9 cm

and

6 cm

, find the width of the circular pathway.

MEDIUM

7th Tamil Nadu Board

IMPORTANT

Mathematics Standard 7 Term Il>Chapter 2 - Measurements>Try these>Q (ii)

If the area of the circular pathway is

352 sq . cm

and the outer radius is

16 cm

, find the inner radius.

EASY

7th Tamil Nadu Board

IMPORTANT

Mathematics Standard 7 Term Il>Chapter 2 - Measurements>Try these>Q (iii)

The area of the inner rectangular region is

15 sq . cm

and the area covered by the outer rectangular region is

48 sq . cm

. If the area of the rectangular pathway is

k {cm}^{2}

, find the value of

k

.

HARD

7th Tamil Nadu Board

IMPORTANT

Mathematics Standard 7 Term Il>Chapter 2 - Measurements>Exercise 2.3>Q 1

If the area of a circular pathway whose outer radius is

32 cm

and inner radius is

18 cm

is

k {cm}^{2}

, find the value of

k

.

MEDIUM

7th Tamil Nadu Board

IMPORTANT

Mathematics Standard 7 Term Il>Chapter 2 - Measurements>Exercise 2.3>Q 2

There is a circular lawn of radius

28 m

. A path of

7 m

width is laid around the lawn. If the area of the path is

k m^{2}

, find the value

k

MEDIUM

7th Tamil Nadu Board

IMPORTANT

Mathematics Standard 7 Term Il>Chapter 2 - Measurements>Exercise 2.3>Q 3

A circular carpet whose radius is

106 cm

is laid on a circular hall of radius

120 cm

. If the area of the hall uncovered by the carpet is

k {cm}^{2}

then find

k

.

HARD

7th Tamil Nadu Board

IMPORTANT

Mathematics Standard 7 Term Il>Chapter 2 - Measurements>Exercise 2.3>Q 4

A school ground is in the shape of a circle with radius $103 m$ . Four tracks each of $3 m$ wide has to be constructed inside the ground for the purpose of track events. Find the cost of constructing the track at the rate of $₹ 50$ per square meter.

Question Image