NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 19 - 20 of 2000

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Question number: 19

» Mathematics » Quadrilaterals

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In the parallelogram ABCD, . The altitudes corresponding to the sides AE and CF are respectively 6 cm and 16 cm. Find BC.

Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, D Segment a Segment a: Segment [A, B] of Quadrilateral poly1 Segment b Segment b: Segment [B, C] of Quadrilateral poly1 Segment c Segment c: Segment [C, D] of Quadrilateral poly1 Segment d Segment d: Segment [D, A] of Quadrilateral poly1 Segment f Segment f: Segment [A, E] Segment g Segment g: Segment [C, F] Point A A = (0.63,3.85) Point A A = (0.63,3.85) Point A A = (0.63,3.85) Point B B = (5.11,3.84) Point B B = (5.11,3.84) Point B B = (5.11,3.84) Point C C = (4.43,1.22) Point C C = (4.43,1.22) Point C C = (4.43,1.22) Point D D = (-0.04,1.25) Point D D = (-0.04,1.25) Point D D = (-0.04,1.25) Point E Point E: Point on c Point E Point E: Point on c Point E Point E: Point on c Point F Point F: Point on d Point F Point F: Point on d Point F Point F: Point on d 6 cm text1 = “6 cm” 16 cm text1_1 = “16 cm” 18 cm text1_2 = “18 cm”

Image of a Parallelogram ABCD in Which AB = 18 Cm

Representing the image of a parallelogram ABCD in which AB = 18 cm

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 20

» Mathematics » Lines and Angles

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An angle which is more than and less than is called

Choices

Choice (4) Response

a.

Complete angle

b.

Obtuse angle

c.

Right angle

d.

Reflex angle

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