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Types of Triangles Based on Angles

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Question

Fill in the following blanks :
A triangle has sides and _ interior angles.

A

Three

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B

Three

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Solution

As the name suggest tri-angle means, three angles.When a closed figure have three angles then it can only have three sides.
Hence a triangle has three sides and three angles .

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Similar questions

Q. Fill in the blanks with the correct word/symbol to make it a true statement:

(i) A triangle has .......sides.
(ii) A triangle has .......vertices.
(iii) A triangle has .......angles.
(iv) A triangle has .......parts.
(v) A triangle whose no two sides are equal is known as .....
(vi) A triangle whose two sides are equal is known as ....
(vii) A triangle whose all the sides are equal is known as......
(viii) A triangle whose one angle is a right angle is known as......
(ix) A triangle whose all the angles are of measure less than 90° is known as....
(x) A triangle whose one angle is more than 90° is known as ......

Q. Fill in the blanks:
(i) A polygon is a simple closed figure formed by more than ...... line segments.
(ii) A polygon formed by three line segments is called a ....... .
(iii) A polygon formed by four line segments is called a ...... .
(iv) A triangle has ...... sides and ...... angles.
(v) A quadrilateral has ...... sides and ...... angles.
(vi) A figure which ends at the starting point is called a .......... .

Q. Fill in the blanks to make the following statements true.

(i) In a right triangle the hypotenuse is the ...... side.

(ii) The sum of three altitudes of a triangle is ....... than its perimeter.

(iii) The sum of any two sides of a triangle is ..... than the third side.

(iv) If two angles of a triangle are unequal, then the smaller angle has the ..... side opposite to it.

(v) Difference of any two sides of a triangle is ...... than the third side.

(vi) If two sides of a triangle are unequal, then the larger side has ...... angle opposite to it.

Fill in the blanks to make the following statements true.

(i) In a right triangle, the hypotenuse is the ___ side.

(ii) The sum of three altitudes of a triangle is ___ than its perimeter.

(iii) The sum of any two sides of a triangle is ___ than the third side.

(iv) If two angles of a triangle are unequal, then the smaller angle has the ___ side opposite to it.

(v) The difference of any two sides of a triangle is ___ than the third side.

(vi) If two sides of a triangle are unequal, then the larger side has ___ angle opposite to it.

Q. Fill in the blanks.
(i) A triangle has ...... sides, ...... angles and ...... vertices.
(ii) The sum of the angles of a triangle is ...... .
(iii) The sides of a scalene triangle are of ....... lengths.
(iv) Each angle of an equilateral triangle measures ...... .
(v) The angles opposite to equal sides of an isosceles triangle are ....... .
(vi) The sum of the lengths of the sides of a triangle is called its .......... .

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