# Triangles and Circles [IMO Level 2- Mathematics Olympiad (SOF) Class 9]: Questions 1 - 4 of 6

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## Question number: 1

» Triangles and Circles

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MCQ▾

### Question

In a triangle ABC, O is the centre of in circle PQR, ∠BAC = 65°, ∠BCA = 75°, find ∠ROQ.

### Choices

Choice (4)Response

a.

b.

c.

Can’t be determined

d.

Both b. and a. are correct

## Question number: 2

» Triangles and Circles

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MCQ▾

### Question

In the given figure, O is the centre of the circle and XOY is a diameter. If XZ is any other chord of the circle, then which of the following is correct?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 3

» Triangles and Circles

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Appeared in Year: 2014

MCQ▾

### Question

PS and QT are the medians of and . If cm, find the value of RU.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 4

» Triangles and Circles

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Appeared in Year: 2014

MCQ▾

### Question

Fill in the blanks.

A circle is the collection of all points in a plane which are P from a fixed point in the plane. The fixed point is called Q of the circle and fixed distance is called R of the circle. A circle divides the plane on which it lies into S parts.

### Choices

Choice (4)Response

a.

P- Equidistant, Q- centre, R- radius, S- three

b.

P- Normal, Q- radius, R- centre, S- four

c.

P- Equal, Q- radius, R- centre, S- two

d.

P- Distance, Q- centre, R- radius, S- two

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