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: