Tiwari Academy Discussion

Jarnav

Asked: March 11, 2021In: Class 8 Maths

Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface.

NCERT Solutions for Class 8 Mathematics Chapter 11 Important NCERT Questions Mensuration Chapter 8 Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 9

Jarnav

Asked: March 11, 2021In: Class 8 Maths

Mohan wants to buy a trapezium shaped field. Its side along the river is parallel to and twice the side along the road. If the area of this field is 10500 m² and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river.

NCERT Solutions for Class 8 Mathematics Chapter 11 Important NCERT Questions Mensuration Chapter 8 Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 8

Jarnav

Asked: March 11, 2021In: Class 8 Maths

The floor of a building consists of 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of polishing the floor, if the cost per m ² is ₹ 4.

NCERT Solutions for Class 8 Mathematics Chapter 11 Important NCERT Questions Mensuration Chapter 8 Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 7

Jarnav

Asked: March 11, 2021In: Class 8 Maths

Find the area of a rhombus whose side is 6 cm and whose altitude is 4 cm. If one of the diagonals is 8 cm long, find the length of the other diagonal.

NCERT Solutions for Class 8 Mathematics Chapter 11 Important NCERT Questions Mensuration Chapter 8 Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 6

Jarnav

Asked: March 11, 2021In: Class 8 Maths

The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area.

NCERT Solutions for Class 8 Mathematics Chapter 11 Important NCERT Questions Mensuration Chapter 8 Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 5

Jarnav

Asked: March 11, 2021In: Class 8 Maths

The diagonal of a quadrilateral shaped field is 24 m and the perpendiculars dropped on it from the remaining opposite vertices are 8 m and 13 m. Find the area of the field.

NCERT Solutions for Class 8 Mathematics Chapter 11 Important NCERT Questions Mensuration Chapter 8 Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 4

Jarnav

Asked: March 11, 2021In: Class 8 Maths

Length of the fence of a trapezium shaped field ABCD is 120 m. If BC = 48 m, CD = 17 m and AD = 40 m, find the area of this field. Side AB is perpendicular to the parallel sides AD and BC.

NCERT Solutions for Class 8 Mathematics Chapter 11 Important NCERT Questions Mensuration Chapter 8 Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 3

Jarnav

Asked: March 11, 2021In: Class 8 Maths

The area of a trapezium is 34 cm² and the length of one of the parallel sides is 10 cm and its height is 4 cm. Find the length of the other parallel side.

NCERT Solutions for Class 8 Mathematics Chapter 11 Important NCERT Questions Mensuration Chapter 8 Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 2

Jarnav

Asked: March 11, 2021In: Class 8 Maths

The shape of the top surface of a table is a trapezium. Find its area if its parallel sides are 1 and 1.2 m and perpendicular distance between them is 0.8 m.

NCERT Solutions for Class 8 Mathematics Chapter 11 Important NCERT Questions Mensuration Chapter 8 Exercise 11.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 1

Jarnav

Asked: March 11, 2021In: Class 8 Maths

An ant is moving around a few food pieces of different shapes scattered on the floor. For which food-piece would the ant have to take a longer round? Remember, circumference of a circle can be obtained by using the expression c=2πr where r is the radius of the circle.

NCERT Solutions for Class 8 Mathematics Chapter 11 Important NCERT Questions Mensuration Chapter 8 Exercise 11 NCERT Books for Session 2022-2023 CBSE Board Questions No: 5

Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface.

Mohan wants to buy a trapezium shaped field. Its side along the river is parallel to and twice the side along the road. If the area of this field is 10500 m² and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river.

The floor of a building consists of 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of polishing the floor, if the cost per m ² is ₹ 4.

Find the area of a rhombus whose side is 6 cm and whose altitude is 4 cm. If one of the diagonals is 8 cm long, find the length of the other diagonal.

The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area.

The diagonal of a quadrilateral shaped field is 24 m and the perpendiculars dropped on it from the remaining opposite vertices are 8 m and 13 m. Find the area of the field.

Length of the fence of a trapezium shaped field ABCD is 120 m. If BC = 48 m, CD = 17 m and AD = 40 m, find the area of this field. Side AB is perpendicular to the parallel sides AD and BC.

The area of a trapezium is 34 cm² and the length of one of the parallel sides is 10 cm and its height is 4 cm. Find the length of the other parallel side.

The shape of the top surface of a table is a trapezium. Find its area if its parallel sides are 1 and 1.2 m and perpendicular distance between them is 0.8 m.

An ant is moving around a few food pieces of different shapes scattered on the floor. For which food-piece would the ant have to take a longer round? Remember, circumference of a circle can be obtained by using the expression c=2πr where r is the radius of the circle.

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