Mathematics-Triangles (NSTSE (National Science Talent Search Exam- Unified Council) Class 10): Questions 1 - 2 of 54

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Question number: 1

» Mathematics » Triangles

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MCQ▾

Question

In , then x = ________.

Triangle poly1 Triangle poly1: Polygon A, B, C Segment c Segment c: Segment [A, B] of Triangle poly1 Segment a Segment a: Segment [B, C] of Triangle poly1 Segment b Segment b: Segment [C, A] of Triangle poly1 Segment f Segment f: Segment [D, E] Point A A = (3.41,1.15) Point A A = (3.41,1.15) Point A A = (3.41,1.15) Point B B = (7.92,1.18) Point B B = (7.92,1.18) Point B B = (7.92,1.18) Point C C = (5.68,4.45) Point C C = (5.68,4.45) Point C C = (5.68,4.45) Point D Point D: Point on c Point D Point D: Point on c Point D Point D: Point on c Point E Point E: Point on b Point E Point E: Point on b Point E Point E: Point on b x text1 = “x” x text1_1 = “x” 27 text1_2 = “27” 3 text1_3 = “3”

Image of a Triangle ABC in Which DE∥BC with Two Unknown Values

Representing the image of a triangle ABC in which DE∥BC with two unknown values

Choices

Choice (4) Response

a.

9

b.

12

c.

6

d.

81

Question number: 2

» Mathematics » Triangles

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MCQ▾

Question

From the given figure the value of x is ________ if .

Triangle poly1 Triangle poly1: Polygon A, B, C Segment c Segment c: Segment [A, B] of Triangle poly1 Segment a Segment a: Segment [B, C] of Triangle poly1 Segment b Segment b: Segment [C, A] of Triangle poly1 Segment f Segment f: Segment [D, E] Point A A = (4.65,4.28) Point A A = (4.65,4.28) Point A A = (4.65,4.28) Point B B = (1.94,0.32) Point B B = (1.94,0.32) Point B B = (1.94,0.32) Point C C = (7.7,0.25) Point C C = (7.7,0.25) Point C C = (7.7,0.25) Point D Point D: Point on c Point D Point D: Point on c Point D Point D: Point on c Point E Point E: Point on b Point E Point E: Point on b Point E Point E: Point on b 4 text1 = “4” 6 text1_1 = “6” 3 text1_2 = “3” x text1_3 = “x” a text1_4 = “a”

Image of a Triangle ABC in Which DE∥BC

Representing the image of a triangle ABC in which DE∥BC

Choices

Choice (4) Response

a.

6

b.

4.5

c.

18

d.

12.5

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