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Lines and Angles — Practice Quiz

ICSE · Class 7 · Mathematics

Try a 4-question quiz on Lines and Angles for ICSE Class 7 Mathematics: tap an answer to check it and see why. 59 questions in the full chapter test.

59 questions30 flashcards2 formulas & key relations5 concepts

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Quick Quiz: Lines and Angles

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1

Two straight lines are cut by a transversal. The corresponding angles are 48° and x. Find x if the lines are parallel.

2

Two parallel lines are cut by a transversal. One co-interior angle is 117° and the other is x. Find x.

3

At a point, five angles are 72°, 88°, 95°, 61° and x. Find x.

4

Two straight lines intersect. One angle is 128° and its vertically opposite angle is x. Find x.

59 Questions·
multiple choicetrue false

Sample Questions

1multiple choice
3 marks

An angle is 47° 36'. Find its complement.

Show answer

42° 24'

Complement = 90° - angle. Write 90° as 89° 60'. Now subtract: 89° 60' - 47° 36' = 42° 24'.

2multiple choice
3 marks

An angle is 93° 28' 43''. Find its supplement.

Show answer

86° 31' 17''

Supplement = 180° - angle. Write 180° as 179° 59' 60''. Then subtract: 179° 59' 60'' - 93° 28' 43'' = 86° 31' 17''.

3multiple choice
3 marks

Two angles are supplementary and are in the ratio 13:5. Find the larger angle.

Show answer

130°

Let the angles be 13x and 5x. Since they are supplementary, 13x + 5x = 180. So 18x = 180, giving x = 10. The larger angle is 13x = 130°.

4multiple choice
3 marks

An angle is five times its complement. Find the angle.

Show answer

75°

Let the angle be x. Its complement is 90 - x. Given x = 5(90 - x). So x = 450 - 5x, hence 6x = 450 and x = 75°.

+55 more questions on Lines and Angles (ICSE Class 7 Mathematics)

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Frequently Asked Questions

What are the important topics in Lines and Angles for ICSE Class 7 Mathematics?
Key topics in Lines and Angles include Basic Geometrical Ideas, Angles and Their Parts, Types of Angles, Angles About a Point and Related Angle Pairs. Study these first, then practise questions on each for Class 7 exams.
How many practice questions are there for Lines and Angles?
There are 59 questions on Lines and Angles. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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