Practice the AP 7th Class Maths Bits with Answers Chapter 4 Lines and Angles on a regular basis so that you can attempt exams with utmost confidence.

## AP State Syllabus 7th Class Maths Bits 4th Lesson Lines and Angles with Answers

Choose the correct answer.

Question 1.

If p//q and ∠1 – 55° then ∠2 =

A) 55°

B) 35°

C) 145°

D) 110°

Answer:

A) 55°

Question 2.

The complementary angle for 72° is

A) 108°

B) 18°

C) 28°

D) 118°

Answer:

B) 18°

Question 3.

The supplementary angle for 65° is

A) 35°

B) 45°

C) 25°

D) 115°

Answer:

D) 115°

Question 4.

In the figure the value of x is

A) 60°

B) 120°

C) 90°

D) 180°

Answer:

A) 60°

Question 5.

In the figure l//m then the value of x is

A) 50°

B) 40°

C) 130°

D) 160°

Answer:

C) 130°

Question 6.

In the figure p//q then ∠a =

A) 65°

B) 25°

C) 115°

D) 35°

Answer:

C) 115°

Question 7.

The complementary angle of 45° is …………..

A) 90°

B) 45°

C) 135°

D) 55°

Answer:

B) 45°

Question 8.

The complementary angle of 89° is ……………

A) 1°

B) 90°

C) 91°

D) 9°

Answer:

A) 1°

Question 9.

If two angles are complement to each other and are equal, then the angles are?

A) (60°, 60°)

B) (89°, 89°)

C) (45°, 45°)

D) (90°, 90°)

Answer:

C) (45°, 45°)

Question 10.

The supplementary angle of 135° is …………….?

A) 35°

B) 65°

C) 55°

D) 45°

Answer:

D) 45°

Question 11.

If two angles are equal and supplement to each other, then they are ……………

A)(120°, 120°)

B) (60°, 120°)

C) (45°, 135°)

D) (90°, 90°)

Answer:

D) (90°, 90°)

Question 12.

The supplement of 30° is …………….

A) 140°

B) 160°

C) 150°

D) 60°

Answer:

C) 150°

Question 13.

Number of transversal lines can be drawn to two distinct lines are ……………?

A) 1

B) 2

C) infinite

D) None

Answer:

C) infinite

Question 14.

A transversal line intersects two distinct lines in …………… distinct points.

A) 0

B) 1

C) 2

D) infinite

Answer:

C) 2

Question 15.

From the adjacent figure ⌊x° = …………..?

A) 10°

B) 11°

C) 55°

D) 5°

Answer:

B) 11°

Question 16.

From the adjacent figure ⌊y – [⌊x + ⌊z] = …………….

A) 120°

B) 140°

C) 20°

D) 180°

Answer:

A) 120°

Question 17.

From the adjacent figure ⌊x = ………………

A) 61°

B) 51°

C) 41°

D) 50°

Answer:

B) 51°

Question 18.

From the adjacent figure ⌊p = …………….

A) 100°

B) 70°

C) 80°

D) 60°

Answer:

C) 80°

Question 19.

From the given figure l || BC, ⌊x + ⌊z = ……………….?

A) 35°

B) 85°

C) 60°

D) 120°

Answer:

D) 120°

Question 20.

From the given figure ⌊Q = ?

A) 120°

B) 60°

C) 70°

D) 30°

Answer:

B) 60°

Question 21.

In the given figure one pair of adjacent angle is

A) ∠AOB, ∠COD

B) ∠AOB, ∠AOC

C) ∠FOE, ∠FOD

D) ∠EOD, ∠DOC

Answer:

D) ∠EOD, ∠DOC

Question 22.

Which of the following pairs of angles are not complementary?

A) (45°, 55°)

B) (35°, 55°)

C) (23°, 67°)

D) (49°, 41°)

Answer:

A) (45°, 55°)

Question 23.

Which of the following pairs of angles are supplementary angles?

A) (90°, 89°)

B) (105°, 85°)

C) (125°, 55°)

D) (64°, 136°)

Answer:

C) (125°, 55°)

Question 24.

Which of the following is not correct?

A) Each angle in any pair of complementary angles is always acute.

B) Two acute angles can’t form a supplementary angle.

C) Two right angles form a supplementary angle.

D) If the sum of two angles is supplementary then each of them is an obtuse angle.

Answer:

D) If the sum of two angles is supplementary then each of them is an obtuse angle.

Question 25.

From the given figure. A pair of adjacent angles is?

A) ⌊a, ⌊c

B) ⌊d, ⌊f

C) ⌊b, ⌊e

D) ⌊f, ⌊a

Answer:

D) ⌊f,⌊a

Question 26.

Which of the following is an acute angle?

Answer:

Question 27.

Which of the following is not true?

A) Any pair of supplementary angles are adjacent.

B) Any pair of adjacent angles form a supplementary angle.

C) Any pair of complementary angles are adjacent.

D) Any pair of adjacent angles doesn’t form a complementary angle.

Answer:

B) Any pair of adjacent angles form a supplementary angle.

Question 28.

If two angles are supplementary then they are

A) both acute

B) both obtuse

C) one acute and one obtuse

D) can’t be determined

Answer:

D) can’t be determined

Question 29.

In the figure ∠2 = ∠5 then the lines are

A) parallel

B) Intersecting

C) perpendicular

D) can’t be determined

Answer:

B) Intersecting

Question 30.

From the given angles are?

A) ⌊ZOY & ⌊ROX

B) ⌊ZOP & ⌊ROQ

C) ⌊POY & ⌊QOY

D) ⌊ROX & ⌊XOY

Answer:

C) ⌊POY & ⌊QOY

Question 31.

Which of the following is not a vertically opposite angle?

A) Angles between legs of a folding cot

B) Angles between scissors

C) Angles between door and wall

D) Angles between legs of folding a chair

Answer:

C) Angles between door and wall

Question 32.

The angles which have common arm are called ……………… angles.

A) interior

B) exterior

C) vertically opposite angles

D) adjacent

Answer:

D) adjacent

Question 33.

The sum of two angles is 90°. Then they are called …………… angles.

A) Reflex

B) Straight

C) Complementary

D) Supplementary

Answer:

C) Complementary

Question 34.

The sum of two angles is 180°. Then they are called …………… angles.

A) Supplementary

B) Complementary

C) Reflex

D) Complete

Answer:

A) Supplementary

Question 35.

If two or more lines meet in a single point then the lines are called concurrent lines. The point where they intersect is called

A) Intersecting point

B) Point of contact

C) Orthocentre

D) Centroid

Answer:

B) Point of contact

Question 36.

From the given figure \(\overline{\mathbf{O A}}\), \(\overline{\mathbf{O B}}\) are called

A) angles

B) rays

C) arms

D) lines

Answer:

C) arms

Question 37.

Supplementary of an angle is three times the angle then the angle is

A) 60°

B) 45°

C) 40°

D) 90°

Answer:

A) 60°

Question 38.

From the given figure ⌊a : ⌊b = 2 : 1 then ⌊c – ⌊d = ?

A) 0°

B) 90°

C) 120°

D) 60°

Answer:

D) 60°

Question 39.

From the given figure ⌊p : ⌊q = 2 : 3 then ⌊r = ?

A) 144°

B) 36°

C) 72°

D) 108°

Answer:

C) 72°

Question 40.

From the given figure ⌊x = ?

A) 111°

B) 101°

C) 112°

D) 79°

Answer:

A) 111°

Question 41.

From the given figure ⌊x = ?

A) 60°

B) 50°

C) 70°

D) 90°

Answer:

A) 60°

Question 42.

AB line segment is denoted by

A) \(\stackrel{\leftrightarrow}{\mathrm{AB}}\)

B) • AB\(\)

C) \(\overline{\mathrm{AB}}\)

D) \(\overrightarrow{\mathrm{AB}}\)

Answer:

C) \(\overline{\mathrm{AB}}\)

Question 43.

AB ray is denoted by

A) \(\overleftarrow{\mathrm{AB}}\)

B) \(\overrightarrow{\mathrm{AB}}\)

C) \(\overleftrightarrow{\mathrm{AB}}\)

D) \(\overline{\mathrm{AB}}\)

Answer:

B) \(\overrightarrow{\mathrm{AB}}\)

Question 44.

Which of the following are not pairs of complementary angles?

Answer:

Question 45.

Which of the following are not adjacent angles?

Answer:

Question 46.

Which of the following are not intersecting lines?

Answer: