Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 185 - 190 of 989

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Question number: 185

Mathematics
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Question

MCQ▾

Triangle ABC is inscribed in a circle. If then BC is equal to

Image of a Triangle ABC That is Inscribed in a Circle

Choices

Choice (4)Response

a.

12 cm

b.

3 cm

c.

Cannot be determined from given data

d.

6 cm

Question number: 186

Mathematics
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Question

MCQ▾

In the given figure, ABCD is a cyclic quadrilateral in which . Find .

Image of a Cyclic Quadrilateral ABCD in the Circle

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 187

Mathematics
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Question

MCQ▾

A regular decagon (10 sides) is inscribed in a circle. The angle that each side of the decagon subtends at the center is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 188

Mathematics
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Question

MCQ▾

A, B, C are the three angles of a triangle. If , then are

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 189

Edit

Question

MCQ▾

The ratio of the perimeter of two squares is 5: 4. The ratio of their areas in the same order is ________.

Choices

Choice (4)Response

a.

25: 4

b.

4: 25

c.

4: 5

d.

25: 16

Question number: 190

Mathematics
Edit

Question

MCQ▾

As shown in blow given figure of a circle. If the length of arc ABC is 24 cm then the length of arc ADC is

Image of a Circle Having an Arc of 24 Cm

Choices

Choice (4)Response

a.

12 cm

b.

Cannot be determined from given data

c.

24 cm

d.

18 cm