# 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 = ________.

### 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