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Subject – Mathematics

Chapter 9 – PERIMETER & AREA

Sub-topic 1 : PERIMETER AND IT’S UNIT

Practice:

SUBJECTIVE QUESTIONS:

1. What is the perimeter of an equilateral triangle(all side equal) of side 120 m?

2. A plane figure has 6 congruent sides (same size). The perimeter of this figure is equal to 600
meters. Find the length of one side of this figure.

3. A regular pentagon has a perimeter of 50 cm. What is the length of one side of the pentagon?

4. Find the perimeter of the figure whose sides are given:

5. Find the perimeter of an triangle whose two equal sides are 25 cm and the third side is 36 cm?

OBJECTIVE QUESTIONS:

1. Figure B is inside figure A shown below. Which statement is correct?

.

a) The perimeter of A is equal to the perimeter of B

b) The perimeter of A is smaller than the perimeter of B
c) The perimeter of A is larger than the perimeter of B

d) None of the above