Mathematics-Constructions [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 1 - 6 of 55

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Question 1

Constructions
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Appeared in Year: 1960

Question

MCQ▾

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 = ________.

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

Choices

Choice (4)Response
a.
b.
c.
d.

Question 2

Constructions
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Question

MCQ▾

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 3

Constructions
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Question

MCQ▾

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

Question 4

Constructions
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Question

MCQ▾

In , if and , then =

Choices

Choice (4)Response
a.
b.
c.
d.

Question 5

Constructions
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Question

MCQ▾

Which of the following statement is correct?

Choices

Choice (4)Response
a.The difference of any two sides is less than the third side
b.A triangle cannot have two obtuse angles
c.A triangle cannot have an obtuse angle and a right angle
d.None of the above

Question 6

Constructions
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Question

MCQ▾

Two sides of an isosceles triangle are 5 cm and 9 cm. Then the length of third side is

Choices

Choice (4)Response
a.5 cm
b.9 cm
c.5 cm or 9 cm
d.Question does not provide sufficient data or is vague