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Area and Perimeter of Plane Figures — Practice Quiz

ICSE · Class 9 · Mathematics

Try a 4-question quiz on Area and Perimeter of Plane Figures for ICSE Class 9 Mathematics: tap an answer to check it and see why.

45 questions31 flashcards14 formulas & key relations5 concepts

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A visual comparison defining perimeter as the length of the boundary and area as the measure of the surface enclosed by the boundary, using simple geometric shapes like a square and a rectangle.
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Quick Quiz: Area and Perimeter of Plane Figures

0/4

Tap an answer to check it instantly. No sign-up needed for these 4.

1

What is the area of a rectangle with length 12 cm and breadth 8 cm?

2

Find the perimeter of a square with side 15 cm.

3

Calculate the area of a triangle with base 10 cm and height 6 cm.

4

What is the circumference of a circle with radius 7 cm? (Take π = 22/7)

45 Questions·
multiple choicemultiple correcttrue false

Sample Questions

1multiple correct

Which of the following formulas are correct for a triangle? (Select all correct answers)

Show answer

Area = ½ × base × height, Perimeter = sum of all three sides, Area = √[s(s-a)(s-b)(s-c)] (Heron's formula)

For triangles: Area = ½ × base × height is the basic formula. Perimeter is sum of all sides. Heron's formula gives area when all three sides are known. Option B misses the ½ factor, option E is for rectangles.

2multiple choice

Find the area of a circle with radius 14 cm. (Take π = 22/7)

Show answer

616 cm²

Area of circle = πr² = (22/7) × 14² = (22/7) × 196 = 616 cm². Option A is circumference, option C is r², option D is half the correct answer.

3true false

The area of an equilateral triangle with side 'a' is (√3/4)a².

Show answer

True

This is the standard formula for area of equilateral triangle. It can be derived using the basic area formula with height = (√3/2)a.

4multiple choice

What is the area of a parallelogram with base 15 cm and height 8 cm?

Show answer

120 cm²

Area of parallelogram = base × height = 15 × 8 = 120 cm². Option B is perimeter calculation, option C is half the area, option D is average of base and height.

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Frequently Asked Questions

What are the important topics in Area and Perimeter of Plane Figures for ICSE Class 9 Mathematics?
Key topics in Area and Perimeter of Plane Figures include Basic Ideas and Units, Area of Triangles, Circle: Circumference, Area, and Rotation. Study these first, then practise questions on each for Class 9 exams.
How many practice questions are there for Area and Perimeter of Plane Figures?
There are 45 questions on Area and Perimeter of Plane Figures. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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