Consecutive Interior Angles

Q.

In the figure, AB is parallel to CD, if $\angle 1+\angle 3={240}^{\circ }$, find the value of $\angle 6$.

1. ${90}^{\circ }$

2. ${75}^{\circ }$

3. ${120}^{\circ }$

4. ${60}^{\circ }$

Q.

In the given figure two parallel lines l, m are intersected by a tranversal. If $\angle 4={45}^{\circ }$ then $\angle 5$ is

1. ${45}^{\circ }$

2. ${135}^{\circ }$

3. ${145}^{\circ }$

4. ${155}^{\circ }$

Q.

One of the angles of a pair of co-interior angles is ${130}^{\circ }$. The other angle is ______.

1. ${60}^{\circ }$

2. ${70}^{\circ }$

3. ${80}^{\circ }$

4. ${50}^{\circ }$

Q. Match the given images with their respective values of unknown angle 'z'.

1. 120${}^{\circ }$
2. 60${}^{\circ }$
3. 110${}^{\circ }$

Q.

In the given figure, a || b and c || d. If $\angle 1={75}^{\circ }$, what is the measure of $\angle 3$?

1. ${105}^{\circ }$

2. ${150}^{\circ }$

3. ${75}^{\circ }$

4. ${100}^{\circ }$

Q. Co-interior angles are supplementary

1. False
2. True

Q. What is the measure of a right angle?

1. 180 degrees
2. 270 degrees
3. 360 degrees
4. 90 degrees

Q. If A and B are complemenatry angles and A = 35 degrees, then B = _____ degrees.

1. 55 degrees
2. 65 degrees
3. 45 degrees
4. 50 degrees

Q.

Find the value of x.

1. ${120}^o$

2. ${60}^o$

3. ${75}^o$

4. ${90}^o$

Q.

In the figure a pair of parallel lines are cut by a tranveresal. The value of x and y respectively are ___.

1. ${130}^{\circ },{50}^{\circ }$

2. ${140}^{\circ },{40}^{\circ }$

3. ${40}^{\circ },{140}^{\circ }$

4. ${50}^{\circ },{130}^{\circ }$

Q.

In the figure, AB || CD and XY is the transversal.

Which of the following is incorrect?

1. $p={115}^{\circ }$

2. $q={115}^{\circ }$

3. $q={65}^{\circ }$

4. $r={115}^{\circ }$

Q.

Find the value of x for which the line AB will become parallel to line CD.

1. $7^{\circ }$

2. ${10}^{\circ }$

3. $9^{\circ }$

4. ${12}^{\circ }$

Q.

The sum of the co-interior angles is always ${180}^{\circ }$.

1. False

2. True

Q.

In the given figure two parallel lines l, m are intersected by a tranversal. Then the pair of co - interior angles are

1. $\angle 4and\angle 5$

2. $\angle 3and\angle 6$

3. $\angle 6and\angle 4$

4. $\angle 5and\angle 6$