Mathematics-Triangle and Properties [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 1 - 7 of 80

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Question 1

Triangle and Properties

Question

MCQ▾

Two sides of an isosceles triangle are 3 cm and 7 cm. Then the length of third side is

Choices

Choice (4)Response

a.

10 cm

b.

3 cm

c.

7 cm

d.

Question does not provide sufficient data or is vague

Question 2

Triangle and Properties

Question

Assertion-Reason▾

Assertion(Ꭺ)

An isosceles triangle is right angled

Reason(Ꭱ)

and

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question 3

Triangle and Properties

Question

MCQ▾

In a and is thrice that of . Then =

Choices

Choice (4)Response

a.

b.

c.

d.

Question 4

Triangle and Properties

Question

MCQ▾

Two electric pillars 25 m and 17 m high stand upright in a ground. If their feet are 15 m apart, then the distance between their tops is

Choices

Choice (4)Response

a.

8 m

b.

25 m

c.

32 m

d.

17 m

Question 5

Triangle and Properties

Question

MCQ▾

In a , if then ________.

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 6

Triangle and Properties

Question

MCQ▾

The triangle formed by BC = 8.2 cm, AC = 7 cm and is

Choices

Choice (4)Response

a.

An obtuse angle triangle

b.

An acute angle triangle

c.

A right angled triangle

d.

All of the above

Question 7

Triangle and Properties

Question

MCQ▾

The Centroid of a triangle is the point where

Choices

Choice (4)Response

a.

The medians meet

b.

The bisectors of the angles of the triangle meet

c.

The right bisectors of the sides of the triangle meet

d.

The altitudes meet

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