Time: 1 hour
M.M. 30
Attempt all questions.
Q1. The perimeter of a square of side 8 cm is: (1 Mark)
(a) 16 cm
(b) 32 cm
(c) 24 cm
(d) 64 cm
Q2. A rectangle has length 12 m and breadth 8 m. Its area is: (1 Mark)
(a) 96 m²
(b) 80 m²
(c) 100 m²
(d) 120 m²
Q3. Which of the following is the formula for the perimeter of a rectangle? (1 Mark)
(a) 2 × (length + breadth)
(b) length × breadth
(c) 4 × side
(d) side × side
Q4. Which shape has the formula area = side × side? (1 Mark)
(a) Rectangle
(b) Square
(c) Triangle
(d) Circle
Q5. A rectangular field has length 40 m and breadth 30 m. How many metres of fencing is required to enclose it? (1 Mark)
(a) 100 m
(b) 120 m
(c) 140 m
(d) 140 m
Q6: Fill in the blanks. (2 Marks)
(i) A square with 1 cm length will have an area of ______
(ii) Area of a square with side 2 m is ______ square metres.
(iii) Length of a boundary is called ______
(iv) Measure of the space enclosed in a plane figure is called ______
Q7: Draw 2 straight lines in this rectangle to divide it into 1 rectangle and 2 equal triangles. Find the area of the new rectangle and the area of 1 of the triangles. (2 Marks)
Q8: Write the area in square cm of the shaded portion. (2 Marks)
Q9: Find the perimeter and area of the following figure. (3 Marks)
Q10: Look at the following image: (3 Marks)
(a) Which shape has the maximum perimeter? Its perimeter is ______ cm.
(b) Which shape has the minimum perimeter? Its perimeter is ______ cm.
(c) The perimeter of figure D is ____ cm. It is _____ (less/more) than the perimeter of figure A which is______ cm.
Q11: Study the diagram given below. Draw 2 more lines so that the area is 18 square cm. (3 Marks)
Q12: Here is a rectangle of an area of 20 square cm. Answer the following based on this: (5 Marks)
(a) Draw one straight line in this rectangle to divide it into two equal triangles. What is the area of each of the triangles?
(b) Draw one straight line in this rectangle to divide it into two equal rectangles. What is the area of each of the smaller rectangles?
Q13: Answer the following questions: (5 Marks)
(a) The area of a square is 9 cm. Find the area of shaded part:(b) Find the perimeter of the following figure:
(c) Find the area of the shaded shape:
(d) Find the area of the following:
(e) Find the area of the shaded path.
You can access the solutions to this Unit Test here.
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