#1. If angles are 50° and 60°, third angle =?

60°

70°

80°

90°

#2. Which angle is equal to 90°?

Acute angle

Right angle

Obtuse angle

Reflex angle

#3. A straight angle is equal to:

90°

120°

180°

360°

#4. A complete angle is equal to:

90°

180°

270°

360°

#5. Complementary angles sum to:

90°

120°

180°

360°

#6. Supplementary angles sum to:

90°

120°

180°

360°

#7. If one angle is 40°, its complement is:

40°

50°

60°

70°

#8. If one angle is 120°, its supplement is:

40°

50°

60°

70°

#9. If one angle is 90° and another is 45°, third =?

30°

45°

60°

75°

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Lines and Angles MCQ Questions and Answers

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#1. If angles are 50° and 60°, third angle =?

#2. Which angle is equal to 90°?

#3. A straight angle is equal to:

#4. A complete angle is equal to:

#5. Complementary angles sum to:

#6. Supplementary angles sum to:

#7. If one angle is 40°, its complement is:

#8. If one angle is 120°, its supplement is:

#9. If one angle is 90° and another is 45°, third =?

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