Question Paper
Class / Subject: Class 8 (CBSE) · Mathematics
Chapter: Chapter 11 — Chapter 11: Exploring Some Geometric Themes
Time Allowed: 15 minutes
Max Marks: 6
1. The diameter of a circle is: [1]
(A) twice the radius
(B) half the radius
(C) equal to the radius
(D) equal to the circumference
2. Find the circumference of a circle with radius 7cm (use π=22/7): [1]
(A) 44 cm
(B) 22 cm
(C) 14 cm
(D) 154 cm
3. The value of π represents the ratio of a circle's: [1]
(A) circumference to diameter
(B) radius to diameter
(C) area to radius
(D) diameter to area
4. A hexagon can be divided into how many triangles from one vertex? [1]
(A) 4
(B) 6
(C) 5
(D) 3
5. Find the angle sum of a pentagon: [1]
(A) 540°
(B) 360°
(C) 720°
(D) 180°
6. The general formula for a polygon's angle sum with n sides is: [1]
(A) (n-2) x 180°
(B) n x 180°
(C) (n+2) x 180°
(D) n x 90°