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Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions

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Construct a quadrilateral ABCD, where AB = 5.5 cm, BC = 3.7 cm, ∠A = 60°, ∠B = 105° and ∠D = 90°.

[4] Practical Geometry
Chapter: [4] Practical Geometry
Concept: undefined >> undefined

Construct a quadrilateral PQRS, where PQ = 3.5 cm, QR = 6.5 cm, ∠P = ∠R = 105° and ∠S = 75°.

[4] Practical Geometry
Chapter: [4] Practical Geometry
Concept: undefined >> undefined

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Construct a quadrilateral ABCD when BC = 5.5 cm, CD = 4.1 cm, ∠A = 70°, ∠B = 110° and ∠D = 85°.

[4] Practical Geometry
Chapter: [4] Practical Geometry
Concept: undefined >> undefined

Construct a quadrilateral ABCD, where ∠A = 65°, ∠B = 105°, ∠C = 75° BC = 5.7 cm and CD = 6.8 cm.

[4] Practical Geometry
Chapter: [4] Practical Geometry
Concept: undefined >> undefined

Construct a quadrilateral PQRS, in which PQ = 4 cm, QR = 5 cm, ∠P = 50°, ∠Q = 110° and ∠R = 70°.

[4] Practical Geometry
Chapter: [4] Practical Geometry
Concept: undefined >> undefined

Find the number of side of a regular polygon, when of its angle has a measure of 160° .

[3] Understanding Quadrilaterals
Chapter: [3] Understanding Quadrilaterals
Concept: undefined >> undefined

Find the number of side of a regular polygon, when of its angle has a measure of 135° .

[3] Understanding Quadrilaterals
Chapter: [3] Understanding Quadrilaterals
Concept: undefined >> undefined

Find the number of side of a regular polygon, when of its angle has a measure of 175° .

[3] Understanding Quadrilaterals
Chapter: [3] Understanding Quadrilaterals
Concept: undefined >> undefined

Find the number of side of a regular polygon, when of its angle has a measure of 162° .

[3] Understanding Quadrilaterals
Chapter: [3] Understanding Quadrilaterals
Concept: undefined >> undefined

Find the number of side of a regular polygon, when of its angle has a measure of 150° .

[3] Understanding Quadrilaterals
Chapter: [3] Understanding Quadrilaterals
Concept: undefined >> undefined

Find the number of degrees in each exterior exterior angle of a regular pentagon.

 
[3] Understanding Quadrilaterals
Chapter: [3] Understanding Quadrilaterals
Concept: undefined >> undefined
Write a Pythagorean triplet whose smallest member is 8.
[5] Squares and Square Roots
Chapter: [5] Squares and Square Roots
Concept: undefined >> undefined

Find a Pythagorean triplet in which one member is 12.

[5] Squares and Square Roots
Chapter: [5] Squares and Square Roots
Concept: undefined >> undefined

Find the cube root of 8000.

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the cube root of 13824 by prime factorisation method.

[6] Cubes and Cube Roots
Chapter: [6] Cubes and Cube Roots
Concept: undefined >> undefined

Find the area of a rhombus whose diagonals are of lengths 10 cm and 8.2 cm.

[9] Mensuration
Chapter: [9] Mensuration
Concept: undefined >> undefined
The area of a rhombus is 240 cm2 and one of the diagonals is 16 cm. Find the other diagonal.
[9] Mensuration
Chapter: [9] Mensuration
Concept: undefined >> undefined
An item marked at Rs. 840 is sold for Rs. 714. What is the discount and discount %?
[7] Comparing Quantities
Chapter: [7] Comparing Quantities
Concept: undefined >> undefined

Find the value of 2–3.

[10] Exponents and Powers
Chapter: [10] Exponents and Powers
Concept: undefined >> undefined

Find the value of `1/(3^(-2))`.     

[10] Exponents and Powers
Chapter: [10] Exponents and Powers
Concept: undefined >> undefined
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