Angles which are both supplementary and vertically opposite are

1

(a)

95°,85°

(b)

90°,90°

(c)

100°,80°

(d)

45°,45°

In the following figure, if AB II CD, \(\angle \)APQ = 50° and \(\angle \)PRD = 130°, then \(\angle \)QPR is

1

(a)

130°

(b)

50°

(c)

80°

(d)

30°

If two supplementary angles are in the ratio of 1 : 2, then the bigger angle is

1

(a)

120°

(b)

125°

(c)

110°

(d)

90°

The measure of an angle, which is four times its supplement is

1

(a)

36°

(b)

144°

(c)

16°

(d)

64°

If sum of measures of two angles is 180°, then they are ___________________

1

(a)

supplementary

Sum of interior angles on the same side of a transversal is ______________

1

(a)

180°

An angle is 45°. Its complementary angle will be _____________

1

(a)

45°

An angle which is half of its supplement is ______________

1

(a)

60°

The supplement of an acute is always _____________ angle.

1

(a)

obtuse

Two right angles are complementary to each other.

1

(a) True

(b) False

One obtuse and one acute angle can make a pair of complementary angles.

1

(a) True

(b) False

Two supplementary angles are always obtuse angle.

1

(a) True

(b) False

Two right angles are always supplementary to each other.

1

(a) False

(b) True

An angle is more than 45°. Its complementary angle must be less than 45°.

1

(a) False

(b) True

In the given figure, the value of x is equal to 27.5

1

(a) False

(b) True

Can two right angles be supplementary?

2

(a)

Find the pairs of supplementary angles in the question figure.

 

2

(a)

Find the pairs of supplementary angles in the question figure.

2

(a)

What will be the measure of the supplement of each one of the following angles? 55°

2

(a)

Find the angle, which is equal to its complement.

3

(a)

Find the angle which is equal to its supplement.

3

(a)

Find the measures of the angles made by the intersecting lines at the vertices of an equilateral triangle.

3

(a)

Draw any rectangle and find the measures of angles at the four vertices made by the intersecting lines.

3

(a)

In the following figure, OB is perpendicular to OA and \(\angle\)BOC =49°. Find \(\angle\)AOD.

5

(a)

Iron rodes a, b, c, d, e and f are making a design of a bridge as shown in figure , in which a || b, c || d, e || f. Find the marked angles between d and f

5

(a)