IMO Olympiad Work Book 7>Chapter 5 - Lines and Angles>Exercise>Q 1

EASY

7th Foundation

IMPORTANT

Earn 100

In the figure, $A D$ and $C F$ are straight lines. Find $∠ E B F$ .
$C:\Users\user13\Desktop\Capture.PNG$

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Important Questions on Lines and Angles

EASY

7th Foundation

IMPORTANT

IMO Olympiad Work Book 7>Chapter 5 - Lines and Angles>Exercise>Q 2

In the given diagram (not drawn to scale),

P Q

and

R S

are straight lines. Which of the following statements is true?
$C:\Users\user13\Desktop\Capture.PNG$

EASY

7th Foundation

IMPORTANT

IMO Olympiad Work Book 7>Chapter 5 - Lines and Angles>Exercise>Q 3

Which line is parallel to

A B

?
$C:\Users\user13\Desktop\Capture.PNG$

EASY

7th Foundation

IMPORTANT

IMO Olympiad Work Book 7>Chapter 5 - Lines and Angles>Exercise>Q 4

In the figure (not drawn to scale), $A B$ is parallel to $C D$ and $∠ E C D$ is a right angle. Find $∠ y .$

Question Image

EASY

7th Foundation

IMPORTANT

IMO Olympiad Work Book 7>Chapter 5 - Lines and Angles>Exercise>Q 5

In the figure (not drawn to scale),

A B C

is a straight line,

∠ D B E

is a right angle and

∠ a = ∠ b = ∠ c = ∠ d .

Find

∠ a

.
$C:\Users\user13\Desktop\Capture.PNG$

EASY

7th Foundation

IMPORTANT

IMO Olympiad Work Book 7>Chapter 5 - Lines and Angles>Exercise>Q 6

In the figure (not drawn to scale),

A G B

,

C G D

and

E G F

are straight lines. Find

∠ y

.
$C:\Users\user13\Desktop\Capture.PNG$

EASY

7th Foundation

IMPORTANT

IMO Olympiad Work Book 7>Chapter 5 - Lines and Angles>Exercise>Q 7

In the figure (not drawn to scale),

A B C

and

C D E

are straight lines,

∠ A C E

is a right angle and

D F ∥ C G ∥ B H

. Find

∠ Y .

$C:\Users\user13\Desktop\Capture.PNG$

EASY

7th Foundation

IMPORTANT

IMO Olympiad Work Book 7>Chapter 5 - Lines and Angles>Exercise>Q 8

In the figure (not drawn to scale),

E F C

and

D F B

are straight lines. Find

∠ x

and

∠ y

respectively.
$C:\Users\user13\Desktop\Capture.PNG$

MEDIUM

7th Foundation

IMPORTANT

IMO Olympiad Work Book 7>Chapter 5 - Lines and Angles>Exercise>Q 9

In the figure,

P Q

is parallel to

S T

.

A B

is a straight line. Find

∠ B S T .

$C:\Users\HP840G1\Desktop\Capture.PNG$