Mathematics-Constructions (NSTSE (National Science Talent Search Exam- Unified Council) Class 9): Questions 1 - 3 of 55

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Question number: 1

» Mathematics » Constructions

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Appeared in Year: 1960

MCQ▾

Question

In the given figure, is inscribed in a circle with center O. If the length of the chord YZ is equal to the radius of the circle OY then = ________.

Circle c Circle c: Circle through Z with center O Arc d Arc d: Semicircle through A and B Arc e Arc e: Semicircle through C and D Segment i Segment i: Segment [Z, O] Segment f Segment f: Segment [O, Y] Segment g Segment g: Segment [Y, X] Segment h Segment h: Segment [X, Z] Segment j Segment j: Segment [Y, Z] Point O O = (4.5,2.86) Point O O = (4.5,2.86) Point O O = (4.5,2.86) Point Z Z = (6.46,1.2) Point Z Z = (6.46,1.2) Point Z Z = (6.46,1.2) Point Y Point Y: Point on c Point Y Point Y: Point on c Point Y Point Y: Point on c Point X Point X: Point on c Point X Point X: Point on c Point X Point X: Point on c

Image of a ∆XYZ is Inscribed in a Circle with Center O

Representing the image of a ∆XYZ is inscribed in a circle with center O

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Mathematics » Constructions

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MCQ▾

Question

Two sides of a triangle are 6 and 9 units. Which of the following length can be the length of the third side?

Choices

Choice (4) Response

a.

15 cm

b.

17 cm

c.

2 cm

d.

11 cm

Question number: 3

» Mathematics » Constructions

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MCQ▾

Question

If the angles of a triangle are in the ratio 3: 2: 1 then the triangle is

Choices

Choice (4) Response

a.

Right angled isosceles

b.

Acute angled

c.

Right angled

d.

Obtuse angled

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