Classification of Triangles, Circles and Quadrilaterals

Solved Questions on the Classification of Triangles, Circles and Quadrilaterals

1. What type of triangle has three unequal sides and three unequal angles?

a) Scalene Triangle
b) Isosceles Triangle
c) Equilateral Triangle
d) Right Triangle

Answer: a) Scalene Triangle

Explanation: A scalene triangle has three unequal sides and three unequal angles.

2. An angle measuring exactly 90o is characteristic of which type of triangle?

a) Scalene Triangle
b) Isosceles Triangle
c) Equilateral Triangle
d) Right Triangle

Answer: d) Right Triangle

Explanation: A right triangle contains one right angle, which measures 90^o.

3. A quadrilateral with two pairs of adjacent sides that are equal in length is called a:

a) Square
b) Rectangle
c) Rhombus
d) Kite

Answer: d) Kite

Explanation: A kite is a quadrilateral with two pairs of adjacent sides that are equal in length.

4. What is the sum of the interior angles of a triangle?

a) 90o
b) 180o
c) 270o
d) 360o

Answer: b) 180^o

Explanation: The sum of these interior angles is always equal to 180^o, known as the angle sum property of a triangle.

5. What do you call a region bounded by two radii and an arc of a circle?

a) Sector
b) Segment
c) Chord
d) Tangent

Answer: a) Sector

Explanation: A region bounded by two radii of a circle and the arc connecting them

Practice Questions on the Classification of Triangles, Circles and Quadrilaterals

1. A circle is a two-dimensional shape with:

a) Three sides and three angles
b) Two sides and two angles
c) One side and one angle
d) No sides and no angles

Answer: d) No sides and no angles

2. An equilateral triangle has:

a) Three equal sides and three equal angles
b) Two equal sides and two equal angles
c) Three equal sides and one right angle
d) One equal side and one obtuse angle

Answer: a) Three equal sides and three equal angles

3. What is the sum of the exterior angles of any triangle?

a) 90^o
b) 180^o
c) 270^o
d) 360^o

Answer: d) 360^o

4. A quadrilateral with all sides equal in length but not necessarily right angles is called a:

a) Square
b) Rectangle
c) Rhombus
d) Parallelogram

Answer: c) Rhombus

5. What do you call a triangle with two sides equal?

a) Scalene Triangle
b) Isosceles Triangle
c) Equilateral Triangle
d) Right Triangle

Answer: b) Isosceles Triangle

6. What is the measure of each interior angle of an equilateral triangle?

a) 60^o
b) 90^o
c) 120^o
d) 180^o

Answer: a) 60^o

7. Which shape is formed by connecting two points on the circumference of a circle?

a) Arc
b) Sector
c) Segment
d) Chord

Answer: d) Chord

8. A quadrilateral with one pair of opposite sides parallel is called a:

a) Square
b) Rhombus
c) Trapezium
d) Kite

Answer: c) Trapezium

9. What is the sum of the interior angles of a quadrilateral?

a) 90^o
b) 180^o
c) 270^o
d) 360^o

Answer: d) 360^o

10. Which shape has all sides and angles equal in measure?

a) Square
b) Rhombus
c) Right triangle
d) Isosceles triangle

Answer: a) Square