Question Paper
Class / Subject: Class 8 (CBSE) · Mathematics
Chapter: Chapter 4 — Chapter 4: Quadrilaterals
Time Allowed: 15 minutes
Max Marks: 6
1. A quadrilateral with all sides equal and all angles 90° is a: [1]
(A) square
(B) rhombus only
(C) rectangle only
(D) trapezium
2. In a parallelogram, opposite sides are: [1]
(A) equal and parallel
(B) unequal
(C) perpendicular
(D) only parallel, not equal
3. A rhombus's diagonals: [1]
(A) bisect each other at right angles
(B) are always equal in length
(C) never intersect
(D) are parallel to each other
4. The sum of interior angles of a quadrilateral is: [1]
(A) 360°
(B) 180°
(C) 540°
(D) 270°
5. Find the fourth angle of a quadrilateral if the other three are 80°, 90°, and 100°: [1]
(A) 90°
(B) 100°
(C) 80°
(D) 110°
6. The angle sum of a pentagon (5 sides), using (n-2)x180°, is: [1]
(A) 540°
(B) 360°
(C) 720°
(D) 180°