IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 866 - 871 of 968

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Question number: 866

» Trigonometry & Applications

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MCQ▾

Question

If ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 867

» Trigonometry & Applications

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MCQ▾

Question

An observer tall is away from a chimney. The angle of elevation of he top of the chimney from her eyes is the height of the chimney is________.

Choices

Choice (4) Response

a.

9.86

b.

0.52

c.

9.02

d.

2.5

Question number: 868

» Trigonometry & Applications

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MCQ▾

Question

If then value of is________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 869

» Trigonometry & Applications

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MCQ▾

Question

If is equal to________

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Choice (4) Response

a.

b.

c.

d.

Question number: 870

» Trigonometry & Applications

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MCQ▾

Question

The top of two poles of height and are connected by a wire. If the wire makes an angle of with horizontal, then the length of the wire is________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 871

» Trigonometry & Applications

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MCQ▾

Question

The length of a string between a kite and a point on the ground is . If the string makes an angle with level ground such that how high is the kite?

Choices

Choice (4) Response

a.

44.96m

b.

c.

d.

76.96m