Question Pool Proportion

# Proportion - SAMAGRA Question Pool & Answers | Class 9 English Medium

Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 9 English Medium Maths Proportion

Qn 1.

Haritha and Krishna jointly made regular polygons with sides 3cm to participate in Maths fair.

a) what is the perimeter of a regular pentagon which they had made.?

b) What is the perimeter of a n sided regular polygons

c)In any regular polygons is the perimeter is proportional to the length of its side? If so what is the proportionality constant?

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Qn 2.

The length of the diagonal of a square is 4 cm

a) What is its area?

b) The length of a diagonal of a square is d units and its area is A sq. units. write the relation between them?

c) Which is the proportionality constant?

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Qn 3.

The lengths of the sides of two rectangles are proportional. The length and breadth of the smaller are 12cm and 4 cm respectively. The length of the larger rectangle is 18 cm.

a)Write the ratio between the sides of the smaller rectangle

b) what is the breadth of the larger rectangle?

a) Ratio    1 :3