SSLC (English Medium) Class 8 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Mathematics

If I is the incentre of ∆XYZ, ∠IYZ = 30° and ∠IZY = 40°, find ∠YXZ

If ∆GUT is isosceles and right angled, then ∠TUG is ________

Expand (5p – 1)²

Factorise the following expressions

y² – 10y + 25

Factors of 4 – m² are

Construct the following quadrilaterals with the given measurements and also find their area.

ABCD, AB = 5 cm, BC = 4.5 cm, CD = 3.8 cm, DA = 4.4 cm and AC = 6.2 cm

Verify the closure property for addition and multiplication for the rational numbers `(-5)/7` and `8/9`

Closure property is not true for division of rational numbers because of the number

Give an example and verify the following statement.

The collection of all non-zero rational numbers is closed under division

Expand 4p² – 25q²

Factorise the following expressions

m² + m – 72

(x + 4) and (x – 5) are the factors of ___________

Factorise : 16p⁴ – 1

Construct the following quadrilaterals with the given measurements and also find their area.

PLAY, PL = 7 cm, LA = 6 cm, AY = 6 cm, PA = 8 cm and LY = 7 cm

Verify the commutative property for addition and multiplication for the rational numbers `(-10)/11` and `(-8)/33`

Give an example and verify the following statement.

Subtraction is not commutative for rational numbers

Expand (2n – 1)(2n + 3)

Construct the following quadrilaterals with the given measurements and also find their area.

PQRS, PQ = QR = 3.5 cm, RS = 5.2 cm, SP = 5.3 cm and ∠Q = 120°

Verify the associative property for addition and multiplication for the rational number `(-7)/9, 5/6` and `(-4)/3`

`1/2 - (3/4 - 5/6) ≠ (1/2 - 3/4) - 5/6` illustrates that subtraction does not satisfy the ________ property for rational numbers