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In figure POQ is a line. If x = 30°, then ∠ QOR is(a) 90⁰ (b) 30⁰ (c) 150⁰ (d) 60⁰

The correct answer is (a) 90o Solution From the figure we observe that sum of all angles about a straight line given in the figure are equal... View Article

In figure, POR is a line. The value of a is(a) 40⁰ (b) 45⁰ (c) 55⁰ (d) 60⁰

The correct answer is (a) 40o Solution When the sum of two angles is 180°, then the angles are known as supplementary angles. In other... View Article

If angle P and angle Q are supplementary and the measure of angle P is 60⁰, then the measure of angle Q is (a) 120⁰ (b) 60⁰ (c) 30⁰ (d) 20⁰

The correct answer is (a) 120o Solution When the sum of two angles is 180°, then the angles are known as supplementary angles. In other... View Article

In figure lines l and m intersect each other at a point. Which of the following is false? (a) ∠a = ∠b (b) ∠d = ∠c (c) ∠a + ∠d = 180o (d) ∠a = ∠d

The correct answer is (d) ∠a = ∠d Solution From the figure, we observe that ∠a ≠ ∠d ∠a = ∠b [because vertically... View Article

. In figure if AB || CD, ∠ APQ = 50o and ∠PRD = 130⁰, then ∠ QPR is (a) 130⁰(b) 50⁰ (c) 80⁰ (d) 30⁰

The correct answer is (c) 80o Solution From the figure we observe that ∠APR = ∠PRD … [because interior alternate... View Article

In figure the value of x is (a) 110⁰ (b) 46⁰ (c) 64⁰ (d) 150⁰

The correct answer is (d) 150o Solution Sum of all angles about a point given in the figure are equal to 360o. So, 100o + 46o +... View Article

The angles x – 10⁰ and 190⁰ – x are (a) interior angles on the same side of the transversal (b) making a linear pair (c) complementary (d) supplementary

The correct answer is (d) supplementary Solution When the sum of two angles is 180°, then the angles are known as supplementary angles. In... View Article

The angles x and 90⁰ – x are (a) supplementary (b) complementary (c) vertically opposite (d) making a linear pair

The correct answer is (b) complementary Solution When the sum of the measures of two angles is 90o, then the angles are called complementary... View Article

The angle which makes a linear pair with an angle of 61⁰ is of (a) 29⁰ (b) 61⁰ (c) 122⁰ (d) 119⁰

The correct answer is (d) 119o Solution A linear pair is a pair of adjacent angles whose non-common sides are opposite rays. A linear... View Article

Angles which are both supplementary and vertically opposite are (a) 95⁰, 85⁰ (b) 90⁰, 90⁰ (c) 100⁰, 80⁰ (d) 45⁰, 45⁰

The correct answer is (b) 90o, 90o Solution When the sum of the measures of two angles is 180°, then the angles are called supplementary... View Article

If the complement of an angle is 79⁰, then the angle will be of (a) 1⁰ (b) 11⁰ (c) 79⁰ (d) 101⁰

The correct answer is (b) 11o Solution When the sum of the measures of two angles is 90°, the angles are called complementary angles. Each of... View Article

In figure PQ is a mirror, AB is the incident ray and BC is the reflected ray. If ∠ ABC = 46⁰, then ∠ ABP is equal to

The correct answer is (b) 67o Solution We know that, the angle formed by the incident ray and angle formed by the reflected ray is equal. From... View Article

Angles between South and West and South and East are (a) vertically opposite angles (b) complementary angles (c) making a linear pair (d) adjacent but not supplementary

The correct answer is (c) making a linear pair Solution A linear pair is a pair of adjacent angles whose non-common sides are opposite... View Article

The angles between North and West and South and East are (a) complementary (b) supplementary (c) both are acute (d) both are obtuse

The correct answer is (b) supplementary Solution The angle between North and West is 90o, The angle between South and East is 90o as... View Article

An angle has two lines of symmetry. Say True or False

The given statement is False. Solution An angle has one line of symmetry and it is its bisector. An angle bisector or the bisector of an angle... View Article

A circle has two lines of symmetry. Say True or False

The given statement is False. Solution The circle has infinite lines of symmetry. The imaginary line or axis along which you can fold a figure... View Article

The distance between the two parallel lines is the same everywhere. Say True or Fasle

The given statement is True. Solution Parallel lines are the lines that do not intersect or meet each other at any point in a plane. They are... View Article

We can draw exactly one triangle whose angles are 70°, 30° and 80°. Say True or False

The given statement is False. Solution By using the given angles we can able to draw more triangles.... View Article

Identical cubes are stacked in the corner of a room as shown below. The number of cubes that are not visible are _________.

Identical cubes are stacked in the corner of a room as shown below. The number of cubes that are not visible are _________. The number... View Article

Order of rotational symmtery of given figure is ____

Solution:- The order of rotational symmetry of the given figure is 1. If a figure is rotated around a centre point and it still appears... View Article