Complementary and Supplementary Angles

Q.

An angle $x$ is ${14}^{\circ }$ more than its complement. Find the angle.

1. 38°

2. 52°

3. 104^o

4. 50°

Q. If two complementary angles are in the ratio 3: 2, then what is the measure of the bigger angle?

1. ${90}^{\circ }$
2. ${54}^{\circ }$
3. ${18}^{\circ }$
4. ${36}^{\circ }$

Q.

If two lines intersect at a point, then the vertically opposite angles are always _____________.

Q. Two complementary angles are in the ratio 2:3. Find the larger angle between them.

Q.

Tick ($\surd$)the correct answer in each of the following:

The complementary angle of $65°$ is:

1. (a) $35°$

2. (b) $25°$

3. © $15°$

4. (d) $115°$

Q.

Write the complement of angle $47°$.

Q.

If two complementary angles are in the ratio 3 :2, then find the measure of the greater angle.

1. ${54}^o$
2. ${55}^o$
3. ${36}^o$
4. ${42}^o$

Q.

Find the complement angle of $\frac{1}{5}$ right angle .

Q.

Write the complement of angle $13°$.

Q.

The measure of two supplementary angles are $(3x+15{)}^{\circ }$ and $(2x+5{)}^{\circ }$. Find the value of x.

1. ${32}^{\circ }$

2. ${31}^{\circ }$

3. ${62}^{\circ }$

4. ${36}^{\circ }$

Q.

Classify the following True or False:

The complement of $90°$ is $90°$.

1. True
2. False

Q.

An angle is $56°$ more than its supplement. Then what is the measure of that angle

Q.

Find the complement of the following angles: $78°259"$

Q.

The supplement of an angle is 24 less than 5 times the angle. Find the measure of the supplement.

1. ${126}^{\circ }$

2. ${136}^{\circ }$

3. ${116}^{\circ }$

4. ${146}^{\circ }$

Q. Indicate which pairs of angles are forming linear pairs?

Q.

Find the compliment of $\frac{2}{5}$of $70°$.

Q. Indicate which pairs of angles are forming linear pairs?

Q.

Find the angle which is double its complement.

Q.

Find the complement of $\frac{1}{4}of80°$.

Q.

Find the angles which is equal to its complement.

Q. Indicate which pairs of angles are forming linear pairs?

Q. Can there be a pair of complementary angles such that both of them are equal? If yes, find the values of those angles.

Q.

State whether the given statement is True (T) or False (F).

If two adjacent angles are equal, then each measures ${90}^{\circ }$.

1. True
2. False

Q.

An angle 'x' is 14${}^{\circ }$ more than its complement. The angle x would be 52${}^{\circ }$.

1. 52°

2. 50°

Q.

If the complement of an angle is $79°$, then the angle will be of

1. $1°$

2. $11°$

3. $79°$

4. $101°$

Q.

Tick ($\surd$)the correct answer in each of the following:

If an angle is equal to its complement, then angle measures:

1. (a) $90°$

2. (b) $45°$

3. (c) $0°$

4. (d)$10°$

Q.

The three angles $(5x+4{)}^{\circ }$, $(x-2{)}^{\circ }$ and $(3x+7{)}^{\circ }$ forms a straight angle.

Find the value of $x$.

1. ${22}^{\circ }$.

2. ${21}^{\circ }$.

3. ${19}^{\circ }$.

4. ${20}^{\circ }$.

Q.

Mark (✓) against the correct answer
In the given figure, AB || CD. ∠OAB = 150° and ∠OCD = 120°.
Then ∠AOC = ?



(a) 80°
(b) 90°
(c) 70°
(d) 100°

Q.

Which of the following is a pair of supplementary angles?

1. ${55}^{\circ },{115}^{\circ }$

2. ${65}^{\circ },{125}^{\circ }$

3. ${40}^{\circ },{50}^{\circ }$

4. ${47}^{\circ },{133}^{\circ }$

Q.

The measure of an angle complement of the angle $70°$ is

1. $110°$

2. $290°$

3. $20°$

4. $200°$