NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 69 - 71 of 2000

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Question number: 69

» Mathematics » Triangles

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Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 70

» Mathematics » Triangles

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Question

State the property by which in the following figure,

Triangle poly1 Triangle poly1: Polygon A, B, C Arc d Arc d: Semicircle through K and L Arc e Arc e: Semicircle through L and M 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 [A, D] Segment g Segment g: Segment [G, H] Segment h Segment h: Segment [I, J] Point A A = (-0.54,3.5) Point A A = (-0.54,3.5) Point A A = (-0.54,3.5) Point B B = (-2.44,0.32) Point B B = (-2.44,0.32) Point B B = (-2.44,0.32) Point C C = (1.36,0.3) Point C C = (1.36,0.3) Point C C = (1.36,0.3) Point D Point D: Point on a Point D Point D: Point on a Point D Point D: Point on a

Image of a Triangle ABC Making Another Two Triangles

Representing the image of a triangle ABC making another two triangles

Choices

Choice (4) Response

a.

RHS property

b.

ASA property

c.

SSS property

d.

SAS property

Question number: 71

» Mathematics » Lines and Angles

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MCQ▾

Question

If A: If the hypotenuse and an acute angle of one right triangle is equal to the hypotenuse and corresponding acute angle of another right triangle, then those two triangles are congruent and

R: By RHS property, the two right triangles are congruent, then which of the following statements is true?

Choices

Choice (4) Response

a.

A is false and R is the correct explanation of A

b.

A is false and R is false

c.

A is true and R is the correct explanation of A

d.

Question does not provide sufficient data or is vague

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