Category: Ncert

3. In Fig., if PQ || ST, ∠PQR = 110° and ∠RST = 130°, find ∠QRS. Lines and

2. In Fig., if AB || CD, EF ⊥ CD and ∠GED = 126°, find ∠AGE, ∠GEF and

1. In Fig., if AB || CD, CD || EF and y : z = 3 : 7,

6. It is given that ∠XYZ = 64° and XY is produced to point P. Draw a figure

5. In Fig., POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray

4. In Fig., if x + y = w + z, then prove that AOB is a line.

3. In Fig., ∠PQR = ∠PRQ, then prove that ∠PQS = ∠PRT.   Lines and Angles Exercise 6.1

2. In Fig., lines XY and MN intersect at O. If ∠POY = 90° and a : b

1. In Fig., lines AB and CD intersect at O. If ∠AOC + ∠BOE = 70° and ∠BOD

7. Why is Axiom 5, in the list of Euclid’s axioms, considered a ‘universal truth’? (Note that the question