### Lines and Angles - Worksheets

CBSE Worksheet-1

CLASS – VII Mathematics (Lines and Angles)

Choose correct option in questions 1 to 4.

- How many points a line segment have?

a. 2

b. 1

c. 3

d. 0 - In the following figure which angle is adjacent to ∠1?

a. ∠3

b. ∠2

c. ∠5

d. both b and c - If a line is a transversal to three lines, how many points of intersections are there?

a. 1

b. 2

c. 3

d. 4 - State the property that is used below: If
*a*||*b*, then ∠1 = ∠5.

a. alternate interior angles

b. pair of interior angle

c. vertically opposite angles

d. corresponding angles

Fill in the blanks:

- When the sum of the measures of two angles is 90°, the angles are called

___________. - _________ angles have a common vertex and a common arm but no common interior points.
- When two lines intersect, the vertically opposite angles so formed are _________.
- Two lines
*l*and m intersect if they have a point in ________. - When a transversal cuts two lines, such that pairs of corresponding angles are equal, then the lines have to be _______.
- In the following figure, identify the pairs of corresponding angles.

CBSE Worksheet-1

CLASS – VII Mathematics (Lines and Angles)

Answer key

- a
- d
- c
- d
- complementary angles
- Adjacent
- equal
- common
- parallel
- ∠1 and ∠5, ∠2 and ∠6, ∠4 and ∠8, ∠3 and ∠7