Yesa

Yesa

Asked: March 23, 2021In: Class 7 Maths

∆ABC is right angled at A (Fig 11.25). AD is perpendicular to BC. If AB = 5 cm, BC = 13 cm and AC = 12 cm, find the area of ∆ABC. Also, find the length of AD.

NCERT Solutions for Class 7 Mathematics Chapter 11 Important NCERT Questions Class vii Math Chapter 11 Perimeter and Area Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 7

Yesa

Asked: March 23, 2021In: Class 7 Maths

DL and BM are the heights on sides AB and AD respectively of parallelogram ABCD (Fig 11.24). If the area of the parallelogram is 1470 cm², AB = 35 cm and AD = 49 cm, find the length of BM and DL.

NCERT Solutions for Class 7 Mathematics Chapter 11 Important NCERT Questions Class vii Math Chapter 11 Perimeter and Area Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 6

Yesa

Asked: March 23, 2021In: Class 7 Maths

PQRS is a parallelogram (Fig 11.23). QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find: (a) the area of the parallelogram PRS (b) QN, if PS = 8 cm

NCERT Solutions for Class 7 Mathematics Chapter 11 Important NCERT Questions Class vii Math Chapter 11 Perimeter and Area Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 5

Yesa

Asked: March 23, 2021In: Class 7 Maths

How many times a wheel of radius 28 cm must rotate to go 352 m? ( Take π = 22/7)

NCERT Solutions for Class 7 Mathematics Chapter 11 Important NCERT Questions Class vii Math Chapter 11 Perimeter and Area Exercise 11.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 16

Yesa

Asked: March 23, 2021In: Class 7 Maths

Find the circumference of the inner and the outer circles, shown in the adjoining figure. ( Take π = 3.14)

NCERT Solutions for Class 7 Mathematics Chapter 11 Important NCERT Questions Class vii Math Chapter 11 Perimeter and Area Exercise 11.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 15

Yesa

Asked: March 23, 2021In: Class 7 Maths

A circular flower garden has an area of 314 m². A sprinkler at the centre of the garden can cover an area that has a radius of 12 m. Will the sprinkler water the entire garden? ( Take π = 3.14)

NCERT Solutions for Class 7 Mathematics Chapter 11 Important NCERT Questions Class vii Math Chapter 11 Perimeter and Area Exercise 11.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 14

Yesa

Asked: March 23, 2021In: Class 7 Maths

A circular flower bed is surrounded by a path 4 m wide. The diameter of the flower bed is 66 m. What is the area of this path? ( Take π = 3.14)

NCERT Solutions for Class 7 Mathematics Chapter 11 Important NCERT Questions Class vii Math Chapter 11 Perimeter and Area Exercise 11.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 13

Yesa

Asked: March 23, 2021In: Class 7 Maths

The circumference of a circle is 31.4 cm. Find the radius and the area of the circle. ( Take π = 3.14)

NCERT Solutions for Class 7 Mathematics Chapter 11 Important NCERT Questions Class vii Math Chapter 11 Perimeter and Area Exercise 11.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 12

Yesa

Asked: March 23, 2021In: Class 7 Maths

A circle of radius 2 cm is cut out from a square piece of an aluminium sheet of side 6 cm. What is the area of the left over aluminium sheet? ( Take π = 3.14)

NCERT Solutions for Class 7 Mathematics Chapter 11 Important NCERT Questions Class vii Math Chapter 11 Perimeter and Area Exercise 11.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 11

Yesa

Asked: March 23, 2021In: Class 7 Maths

From a circular card sheet of radius 14 cm, two circles of radius 3.5 cm and a rectangle of length 3 cm and breadth 1 cm are removed (as shown in the adjoining figure). Find the area of the remaining sheet. ( Take π = 22/7)

NCERT Solutions for Class 7 Mathematics Chapter 11 Important NCERT Questions Class vii Math Chapter 11 Perimeter and Area Exercise 11.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 10

∆ABC is right angled at A (Fig 11.25). AD is perpendicular to BC. If AB = 5 cm, BC = 13 cm and AC = 12 cm, find the area of ∆ABC. Also, find the length of AD.

DL and BM are the heights on sides AB and AD respectively of parallelogram ABCD (Fig 11.24). If the area of the parallelogram is 1470 cm², AB = 35 cm and AD = 49 cm, find the length of BM and DL.

PQRS is a parallelogram (Fig 11.23). QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find: (a) the area of the parallelogram PRS (b) QN, if PS = 8 cm

How many times a wheel of radius 28 cm must rotate to go 352 m? ( Take π = 22/7)

Find the circumference of the inner and the outer circles, shown in the adjoining figure. ( Take π = 3.14)

A circular flower garden has an area of 314 m². A sprinkler at the centre of the garden can cover an area that has a radius of 12 m. Will the sprinkler water the entire garden? ( Take π = 3.14)

A circular flower bed is surrounded by a path 4 m wide. The diameter of the flower bed is 66 m. What is the area of this path? ( Take π = 3.14)

The circumference of a circle is 31.4 cm. Find the radius and the area of the circle. ( Take π = 3.14)

A circle of radius 2 cm is cut out from a square piece of an aluminium sheet of side 6 cm. What is the area of the left over aluminium sheet? ( Take π = 3.14)

From a circular card sheet of radius 14 cm, two circles of radius 3.5 cm and a rectangle of length 3 cm and breadth 1 cm are removed (as shown in the adjoining figure). Find the area of the remaining sheet. ( Take π = 22/7)

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