The Triangle and its Properties Test

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The Triangle and its Properties Test - 1

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Question 1
1 / -0

In the Pythagoras theorem, the triangle must be ___________ triangle.

A
None of these

B
obtuse-angled

C
right-angled

D
acute-angled

Solution

Explanation:

Pythagoras theorem holds true only for Right-angled triangle, i.e. one angle is 90°
Question 2
1 / -0

The sum of the lengths of any two sides of a triangle is _____________ the third side of the triangle.

A
greater than

B
less than

C
double

D
half

Solution

Explanation:

The triangle inequality theorem states that,

The sum of the lengths of any two sides of a triangle is greater than the third side of the triangle.
Question 3
1 / -0

A triangle in which two sides are of equal length is called _______________ triangle.

A
acute-angled

B
equilateral

C
scalene

D
isosceles

Solution

Explanation:

Triangle having all sides equal is Equilateral triangle.

Triangle having two sides equal is isoceles triangle.

Triangle having all sides of different length is scalene triangle.
Question 4
1 / -0

How many medians a triangle can have?

A
None of these

B
2

C
3

D
1

Solution

Explanation:

A median of a triangle is a line segment joining a vertex to the midpoint of the opposing side.

Every triangle has exactly three medians, one from each vertex,

and they all intersect each other at the triangle's centroid.
Question 5
1 / -0

A _____________ connect a vertex of a triangle to the mid-point of the opposite side.

A
vertex

B
altitude

C
median

D
None of these

Solution

Explanation:

A median of a triangle is a line segment joining a vertex to the midpoint of the opposing side.

Every triangle has exactly three medians, one from each vertex,

and they all intersect each other at the triangle's centroid.