Wednesday, 16 May 2018

CBSE Class 8 - Chapter 3: Understanding Quadrilaterals (MCQs) (#cbsenotes)(#eduvictors)

Understanding Quadrilaterals (MCQs)

CBSE Class 8 - Chapter 3: Understanding Quadrilaterals (MCQs) (#cbsenotes)(#eduvictors)


1. A simple closed curve made up of only _____________ is called a polygon .

(a) curves
(b) line segments
(c) lines
(d) closed curves


2. A polygon with minimum number of sides is

(a) Pentagon
(b) Square
(c) triangle
(d) angle


3. Polygons that have no portions of their diagonals in their exteriors are called

(a) Squares
(b) triangles
(c) convex
(d) concave


4. Polygons that have any portions of their diagonals in their exteriors are called

(a) Squares
(b) triangles
(c) convex
(d) concave




5. All the sides of a regular polygon are _________________.

(a) Parallel
(b) equal in length
(c) not parallel
(d) not equal


6. All the angles of a regular polygon are of ________________.

(a) 90°
(b) 60°
(c) equal measure
(d) equal length


7. Sum of all interior angles of a polygon with (n) sides is given by

(a) (n – 2) × 180°
(b) n – 2 × 180°
(c) (n + 2) × 180°
(d) n + 2 × 180°


8. Maximum number of right angles in a right angled triangle are

(a) 2
(b) 1
(c) 3
(d) 0


9. Sum of all interior angles of a parallelogram is

(a) 180°
(b) 360°
(c) 540°
(d) 240°


10. The angle sum of all interior angles of a convex polygon of sides 7 is

(a) 180°
(b) 540°
(c) 630°
(d) 900°


Answers:
1: (b) line segments
2: (c) triangle
3: (c) convex
4:  (d) concave
5:  (b) equal in length
6:  (c) equal measure
7:  (a) (n – 2) × 180°
8:  (b) 1
9:  (b) 360°
10:  (d) 900°