# Triangles and Circles (IMO- Mathematics Olympiad (SOF) Class 9): Questions 13 - 16 of 79

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## Question number: 13

» Triangles and Circles

MCQ▾

### Question

In the adjoining figure, , then is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 14

» Triangles and Circles

MCQ▾

### Question

The area of trapezium PQRS is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 15

» Triangles and Circles

MCQ▾

### Question

C1 is a circle of radius 4 cm, C2 is a circle of radius 12 cm. Jyoti wants the two circles to touch tangentially. She knows that there are two possibilities for the distance between their centers. What are these two distances?

### Choices

Choice (4) Response

a.

8 cm and 10 cm

b.

8 cm and 16 cm

c.

10 cm and 16 cm

d.

13 cm and 4 cm

## Question number: 16

» Triangles and Circles

MCQ▾

### Question

The and are right angles. If, and, then the length of QR and QS respectively is ________

### Choices

Choice (4) Response

a.

15 cm, 12 cm

b.

16 cm, 15 cm

c.

25 cm, 12 cm

d.

15 cm, 16 cm

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