Question Paper
Class / Subject: Class 9 (ICSE) · Mathematics
Chapter: Chapter 20 — Chapter 20: Area and Perimeter of Plane Figures
Time Allowed: 32 minutes
Max Marks: 16
1. What is perimeter? [1]
(A) The sum of all boundary lengths
(B) The enclosed space
(C) The height of a shape
(D) The colour of a shape
2. What is the area formula for a triangle? [1]
(A) (1/2) × base × height
(B) base × height
(C) base + height
(D) 2 × base × height
3. What is the area formula for a circle? [1]
(A) π × radius²
(B) 2 × π × radius
(C) π × diameter
(D) radius × radius × radius
4. What is the circumference formula for a circle? [1]
(A) 2 × π × radius
(B) π × radius²
(C) π × diameter²
(D) radius × radius
5. How do we find the area of a composite figure? [1]
(A) Break it into simpler shapes and add areas
(B) Ignore the complexity
(C) Only use one formula for everything
(D) It cannot be calculated
6. What is the area of a triangle with base 8cm and height 5cm? [1]
(A) 20 sq cm
(B) 40 sq cm
(C) 13 sq cm
(D) 4 sq cm
7. What is the area of a circle with radius 7cm (using π≈22/7)? [1]
(A) 154 sq cm
(B) 44 sq cm
(C) 22 sq cm
(D) 49 sq cm
8. Why learn these area and perimeter formulas? [1]
(A) For real-world measurement and design problems
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is perimeter? [1]
(A) The sum of all boundary lengths
(B) The enclosed space
(C) The height of a shape
(D) The colour of a shape
10. What is the area formula for a triangle? [1]
(A) (1/2) × base × height
(B) base × height
(C) base + height
(D) 2 × base × height
11. What is the area formula for a circle? [1]
(A) π × radius²
(B) 2 × π × radius
(C) π × diameter
(D) radius × radius × radius
12. What is the circumference formula for a circle? [1]
(A) 2 × π × radius
(B) π × radius²
(C) π × diameter²
(D) radius × radius
13. How do we find the area of a composite figure? [1]
(A) Break it into simpler shapes and add areas
(B) Ignore the complexity
(C) Only use one formula for everything
(D) It cannot be calculated
14. What is the area of a triangle with base 8cm and height 5cm? [1]
(A) 20 sq cm
(B) 40 sq cm
(C) 13 sq cm
(D) 4 sq cm
15. What is the area of a circle with radius 7cm (using π≈22/7)? [1]
(A) 154 sq cm
(B) 44 sq cm
(C) 22 sq cm
(D) 49 sq cm
16. Why learn these area and perimeter formulas? [1]
(A) For real-world measurement and design problems
(B) No reason
(C) It's not useful
(D) Only for tests