Secondary School (English Medium) (5 to 8) कक्षा ८ - CBSE Question Bank Solutions for Mathematics

If PQRS is a parallelogram, then ∠P – ∠R is equal to ______.

The sum of adjacent angles of a parallelogram is ______.

In parallelogram FIST, find ∠SFT, ∠OST and ∠STO.

In the given parallelogram YOUR, ∠RUO = 120° and OY is extended to point S such that ∠SRY = 50°. Find ∠YSR.

(a + b)² – 2ab = ______ + ______.

The sum of areas of two squares with sides 4a and 4b is ______.

(a + b)² = a² + b² 

The difference of the squares of two consecutive numbers is their sum.

Factorise the following, using the identity a² + 2ab + b² = (a + b)². 

x² + 6x + 9

Factorise the following, using the identity a² + 2ab + b² = (a + b)².

x² + 12x + 36

Factorise the following, using the identity a² + 2ab + b² = (a + b)². 

x² + 14x + 49

Factorise the following, using the identity a² + 2ab + b² = (a + b)². 

x² + 2x + 1

Factorise the following, using the identity a² + 2ab + b² = (a + b)².

4x² + 4x + 1 

Factorise the following, using the identity a² + 2ab + b² = (a + b)². 

a²x² + 2ax + 1

Factorise the following, using the identity a² + 2ab + b² = (a + b)². 

a²x² + 2abx + b² 

Factorise the following, using the identity a² + 2ab + b² = (a + b)². 

a²x² + 2abxy + b²y² 

Factorise the following, using the identity a² + 2ab + b² = (a + b)². 

4x² + 12x + 9

Factorise the following, using the identity a² + 2ab + b² = (a + b)². 

16x² + 40x + 25

Factorise the following, using the identity a² + 2ab + b² = (a + b)². 

9x² + 24x + 16