Page 156 - Math Skill - 4

154 Maths

3. Find the area of a square whose:
(a) Side = 15 cm (b) Side = 20 cm (c) Side = 12 cm

4. The length and breadth of a rectangular table are 28 cm and 12 cm. Find the area of the
table.
5. Find the area of a square tile whose side is 36 cm.

ASSESSMENT TIME

COMPETENCY BASED QUESTIONS

A. Multiple-Choice Questions (Tick (3) the Correct Option)
1. What is the perimeter of a 6 cm square?

(a) 24 cm (b) 36 cm (c) 12 cm
2. If the length and breadth of a rectangle is 3 cm and 5 cm, then area of the rectangle will be:

(a) 8 sq cm (b) 12 sq cm (c) 15 sq cm
3. To put lace around a saree we need its

(a) perimeter (b) area (c) weight
4. The formula for area of a rectangle is

(a) length + breadth (b) length × breadth (c) length–breadth
5. If the perimeter of square is 36 m then the length of each side is :

(a) 9 m (b) 6 m (c) 12 m

B. Fill in the Blanks
1. If the length of each side of triangle is 25 m then the length of fence around it is _________.
2. A boy runs 3 times around a field of perimeter 40 cm then the distance covered by the boy
is __________.
3. The side of a square is 5 cm then its area will be __________.
4. The area of a rectangle of size 4 cm × 3 cm is __________.

5. If the perimeter of a rectangle is 36 cm and its length is 9 cm then its breadth will
be __________.

SKILL BASED QUESTIONS

C. Case Study
Sonia has a lawn with a flowerbed and grassland. The
grass land is in the shape of rectangle of dimensions
(6 × 4) while flowerbed is in the shape of square of
dimensions (2 × 2). All values are in meter.