# Practical Geometry - Lines and Angles (IMO- Mathematics Olympiad (SOF) Class 7): Questions 20 - 25 of 73

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## Question number: 20

» Practical Geometry - Lines and Angles

MCQ▾

### Question

If an angle is its own complementary angle, then its measure is ________.

### Choices

Choice (4) Response

a.

b.

c.

45°

d.

## Question number: 21

» Practical Geometry - Lines and Angles

MCQ▾

### Question

In the figure PQ is parallel to RS. Which of the following statement is true?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 22

» Practical Geometry - Lines and Angles

MCQ▾

### Question

An angle is less than two times of its complement, then the smaller angle is ________.

### Choices

Choice (4) Response

a.

b.

c.

50°

d.

30°

## Question number: 23

» Practical Geometry - Lines and Angles

MCQ▾

### Question

An angle is less than three times of its supplement, then the greater angle is ________.

### Choices

Choice (4) Response

a.

b.

56°

c.

d.

125°

## Question number: 24

» Practical Geometry - Lines and Angles

MCQ▾

### Question

If two lines a and b intersect each other Find the other angles ?

### Choices

Choice (4) Response

a.

80°, 98°and85°

b.

80°, 95°and 80°

c.

85°, 95°and 85°

d.

85°, 85°and 95°

## Question number: 25

» Practical Geometry - Lines and Angles

MCQ▾

### Question

In the figure, PQ is parallel to ST. AB is a straight line. Find.

### Choices

Choice (4) Response

a.

b.

c.

98°

d.

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