Lines and Angles Test

Result

Lines and Angles Test - 7

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Weekly Quiz Competition

Question 1
1 / -0

How many triangles can be drawn having angles as 45⁰, 60⁰ and 85⁰ ?

A
Only one

B
Two

C
Infinitely many

D
None

Solution

If we add up the three given angles we get

45⁰+ 60⁰+ 85⁰= 190⁰

But as we know that the angles of any triangle only add-up to 180⁰

Hence the above given triangle is not possible
Question 2
1 / -0

The sum of all the angles of a quadrilateral is :-

A
360⁰

B
320⁰

C
400⁰

D
180⁰

Solution

Sum of the angles of a polygon = (n-2)* 180⁰

Quadrilateral has 4 sides,

So sum of interior angles = (4-2)* 180⁰ = 360⁰
Question 3
1 / -0

Each angle of an equilateral triangle is :

A
60⁰

B
45⁰

C
30⁰

D
90⁰

Solution

Let the angle of an equilateral triangle be x⁰

x + x + x = 180⁰ (Angle sum property)

3x = 180⁰

x = 60⁰
Question 4
1 / -0

The incorrect statement is :

A
One and only one line can be drawn passing through a given point and parallel to a given line.

B
Two lines drawn in a plane always intersect at a point.c

C
Three lines are concurrent if and only if they have a common point.

D
A line segment has definite length.

Solution

If two lines intersect then they must lie in one plane but its converse is not necessarily true.
Question 5
1 / -0

If a transversal intersects two parallel lines, then which of the following alternatives is not true ?

A
Each pair of alternate interior angles is equal.

B
Each pair of co-interior angles is supplementary.

C
Each pair of corresponding angles is equal.

D
Each pair of co-interior angles is complementary.

Solution

Co-interior angles are supplimentary not complementary
Question 6
1 / -0

Two angles measure (70 + 2x) ⁰ and (3x – 15) ⁰. If each angle is the supplement of the other, then the value of x is :

A
30

B
25

C
250

D
20

Solution

70 + 2x + 3x - 15 = 180 (Supplimentary angles)

5x = 180 - 55

x = 25

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Re-Attempt Weekly Quiz Competition

Lines and Angles Test - 7

Result

Lines and Angles Test - 7

Score

-

Rank

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SHARING IS CARING

Question 1

Only one

Two

Infinitely many

None

Solution

Question 2

3600

3200

4000

1800

Solution

Question 3

600

450

300

900

Solution

Question 4

One and only one line can be drawn passing through a given point and parallel to a given line.

Two lines drawn in a plane always intersect at a point.c

Three lines are concurrent if and only if they have a common point.

A line segment has definite length.

Solution

Question 5

Each pair of alternate interior angles is equal.

Each pair of co-interior angles is supplementary.

Each pair of corresponding angles is equal.

Each pair of co-interior angles is complementary.

Solution

Question 6

30

25

250

20

Solution

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360⁰

320⁰

400⁰

180⁰

60⁰

45⁰

30⁰

90⁰