# IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 751 - 752 of 968

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## Question number: 751

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MCQ▾

### Question

The perimeter of a sector of a circle of radius is The area of the sector is________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 752

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MCQ▾

### Question

Given below are the steps of construction of a pair of tangents to a circle of radius which are inclined to each other at an angle of . Find which of the following step is wrong.

1. Step I: Take a point O on the paper and draw a circle of radius

2. Step II: Produce to such that

3. Step III: Taking as the center draw a circle of radius suppose it cuts the circle drawn in step I at P and Q.

4. Step IV: Join and to get desired tangents.

### Choices

Choice (4)Response

a.

Only 2

b.

Only 3

c.

Only 4

d.

Only 1

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