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Mensuration — Flashcards

ICSE · Class 7 · Mathematics

25 flashcards for Mensuration (ICSE Class 7 Mathematics) to test yourself on key terms and facts. Sample: "Solve: A rectangle has length 230 m"

50 questions25 flashcards14 formulas & key relations5 concepts

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25 Flashcards·
Rectangle perimeterRectangle length from perimeterRectangle and square perimeter comparisonSquare perimeterCircle circumferenceCircle radius from circumferenceRectangle diagonal and perimeterSquare diagonal and perimeter
Card 1Rectangle perimeter

Solve: A rectangle has length 230 m and breadth 85 m. Find its perimeter.

Answer

Step 1: Use the perimeter formula: P = 2(l + b) Step 2: Substitute the values: P = 2(230 + 85) Step 3: Add inside the bracket: P = 2(315) Step 4: Multiply: P = 630 m Answer: 630 m…

Card 2Rectangle length from perimeter

Solve: The perimeter of a rectangle is 80 cm and its breadth is 18 cm. Find its length.

Answer

Step 1: Use the formula for length from perimeter: l = P/2 - b Step 2: Substitute the values: l = 80/2 - 18 Step 3: Calculate: l = 40 - 18 Step 4: Find the result: l = 22 cm Answer: 22 cm…

Card 3Rectangle and square perimeter comparison

Solve: The length and breadth of a rectangle are 40 m and 30 m. Find its perimeter and the side of a square with the same perimeter.

Answer

Step 1: Find the rectangle perimeter: P = 2(l + b) Step 2: Substitute: P = 2(40 + 30) = 2(70) = 140 m Step 3: For a square, P = 4s Step 4: Substitute: 140 = 4s Step 5: Divide by 4: s = 35 m Answer: Re…

Card 4Square perimeter

Solve: A wire of length 400 m is bent into a square. Find the side of the square.

Answer

Step 1: The wire length becomes the perimeter of the square Step 2: Use P = 4s Step 3: Substitute: 400 = 4s Step 4: Divide by 4: s = 100 m Answer: 100 m…

Card 5Circle circumference

Solve: A circle has radius 14 cm. Find its circumference. Use π = 22/7.

Answer

Step 1: Use the circumference formula: Circumference = 2πr Step 2: Substitute: Circumference = 2 × (22/7) × 14 Step 3: Simplify: 14/7 = 2 Step 4: Calculate: 2 × 22 × 2 = 88 cm Answer: 88 cm…

Card 6Circle radius from circumference

Solve: The circumference of a circle is 440 cm. Find its radius and diameter. Use π = 22/7.

Answer

Step 1: Use Circumference = 2πr Step 2: Substitute: 440 = 2 × (22/7) × r Step 3: Simplify: 440 = (44/7)r Step 4: Multiply both sides by 7: 3080 = 44r Step 5: Divide by 44: r = 70 cm Step 6: Diameter =…

Card 7Rectangle diagonal and perimeter

Solve: A rectangle has length 15 m and diagonal 17 m. Find its breadth and perimeter.

Answer

Step 1: Use the diagonal relation: diagonal² = length² + breadth² Step 2: Substitute: 17² = 15² + b² Step 3: Calculate: 289 = 225 + b² Step 4: Subtract: b² = 64 Step 5: Take square root: b = 8 m Step …

Card 8Square diagonal and perimeter

Solve: A square has diagonal 12√2 cm. Find its perimeter.

Answer

Step 1: Use diagonal = side × √2 Step 2: Substitute: 12√2 = s√2 Step 3: Divide by √2: s = 12 cm Step 4: Find perimeter: P = 4s = 4 × 12 = 48 cm Answer: 48 cm…

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Frequently Asked Questions

What are the important topics in Mensuration for ICSE Class 7 Mathematics?
Key topics in Mensuration include Core Ideas and Units, Perimeter of Plane Figures, Area of Rectangle and Square, Area of Triangle. Study these first, then practise questions on each for Class 7 exams.
How many flashcards are available for Mensuration?
There are 25 flashcards for Mensuration covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Mensuration for Class 7 exams?
Learn the core ideas first, then work through the 50 practice questions on Mensuration. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

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

More resources for Mensuration

All ICSE Class 7 Mathematics Flashcards

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