Which direction will you face if you start facing East and make 1 2 of a revolution clockwise?

Given, to find the direction that we face starting from East and making 1 2 revolution. From the figure, we can see that facing East and make 1 2 of a revolution clockwise that means making 180 o results West. Hence, the required answer is West.

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Classify the given angle as Acute, Obtuse, Right, Zero or Complete angle.

$∠ ABC$

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Important Questions on Understanding Elementary Shapes

EASY

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

If the sum of two angles is _____, then they are called supplementary

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Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

On a clock, there are two instants between

12

noon and

1

PM, when the hour hand and the minute hand are at right angles. The difference in minutes between these two instants is written as

a + \frac{b}{c},

where

a, b and c

are positive integers, with

b < c

and

\frac{L}{c}

in the reduced form. What is the value of

a + b + c ?

MEDIUM

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

What is the number of obtuse angles in the given figure?

Question Image

HARD

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

Which direction will you face if you start facing East and make

\frac{1}{2}

of a revolution clockwise?

EASY

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

In the given figure,

A O B

is a straight line and the ray $O C$ stands on it.
If

∠ A O C = (2 x - 10) °

and

∠ B O C = (3 x + 20) °

, find the value of

x

.
Also, find

∠ A O C

and

∠ B O C

EASY

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

Among two supplementary angles, the measure of the larger angle is

36 °

more than the measure of the smaller. Find their measures.

EASY

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

Can two angles be supplementary if both of them are acute?

EASY

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

In the diagram

A M N, Q R M

and

P R N

are all straight lines. The value of

α + β

is:

EASY

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

What is the measure of a right angle?

EASY

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

Find the angle which is equal to its supplement.

EASY

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

Using only a ruler, draw an acute angle, an obtuse angle and a straight angle.

EASY

Mathematics>Geometry>Understanding Elementary Shapes>Types of Angles

In the given figure, two straight line $A B$ and $C D$ intersect at a point $O$ . If $∠ A O C = 42 °$ , find the measure of the angles $∠ A O D, ∠ B O D & ∠ C O B$ .