Mathematics-Circles [NSTSE (National Science Talent Search Exam- Unified Council) Class 10]: Questions 1 - 4 of 43

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Question number: 1

» Mathematics » Circles

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Question

The area of triangle with side ‘a’ is , where a = 6 cm. Then its altitude is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2

» Mathematics » Circles

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Question

In the given figure and then is ________.

Triangle poly1Triangle poly1: Polygon A, B, CSegment cSegment c: Segment [A, B] of Triangle poly1Segment aSegment a: Segment [B, C] of Triangle poly1Segment bSegment b: Segment [C, A] of Triangle poly1Segment fSegment f: Segment [D, E] Point AA = (3.32,2.78) Point AA = (3.32,2.78) Point AA = (3.32,2.78) Point BB = (1.24, -0.6) Point BB = (1.24, -0.6) Point BB = (1.24, -0.6) Point CC = (5.48, -0.58) Point CC = (5.48, -0.58) Point CC = (5.48, -0.58) Point DPoint D: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint EPoint E: Point on bPoint EPoint E: Point on bPoint EPoint E: Point on b

Image of a Triangle ABC in Which DE∥BC

Choices

Choice (4)Response

a.

4: 9

b.

9: 4

c.

16: 81

d.

81: 16

Question number: 3

» Mathematics » Circles

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Question

If the ratios of areas of two similar triangles are 9: 16 then the ratios of their corresponding angle – bisector segments is ________.

Choices

Choice (4)Response

a.

3: 4

b.

9: 16

c.

4: 3

d.

16: 9

Question number: 4

» Mathematics » Circles

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MCQ▾

Question

The area of two similar triangles are 25 , 49 . Altitude of first one is 5 cm. Then altitude of second in cm is

Choices

Choice (4)Response

a.

7

b.

5

c.

9

d.

6

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