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Chapter 14 of 14
Flashcards

Area — Flashcards

CBSE · Class 8 · Mathematics

60 flashcards for Area (CBSE Class 8 Mathematics) to test yourself on key terms and facts. Sample: "क्षेत्रफल क्या मापता है?"

73 questions60 flashcards7 formulas & key relations5 concepts

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60 Flashcards·
क्षेत्र का परिचयIntroduction to areaRectangle areaआयताकार क्षेत्रआयताकार क्षेत्र की तुलनाRectangle area comparisonRectangle and trianglesआयताकार और त्रिभुज
Card 1क्षेत्र का परिचय

क्षेत्रफल क्या मापता है?

Answer

क्षेत्रफल एक समतल आकृति द्वारा कवर की गई सतह की मात्रा को मापता है। यह बिना किसी अंतराल या अतिव्याप्ति के आकृति के अंदर फिट होने वाले इकाई वर्गों की गिनती करके पाया जाता है।…

Card 2Introduction to area

What does area measure?

Answer

Area measures the amount of surface covered by a plane figure. It is found by counting unit squares that fit inside the shape without gaps or overlaps.

Card 3Rectangle area

What is the area of a rectangle?

Answer

Area of a rectangle = length × width. This works because the rectangle can be counted as rows and columns of unit squares.

Card 4आयताकार क्षेत्र

आयताकार का क्षेत्रफल क्या होता है?

Answer

Area of a rectangle = length × width. This works because the rectangle can be counted as rows and columns of unit squares.

Card 5आयताकार क्षेत्र की तुलना

7 cm × 4 cm आयत का क्षेत्रफल 8 cm × 3 cm आयत से बड़ा क्यों होता है?

Answer

एक 7 cm × 4 cm आयत में 7 × 4 = 28 unit squares होता है, जबकि एक 8 cm × 3 cm आयत में 8 × 3 = 24 unit squares. Since 28 > 24 होता है, 7 cm × 4 cm आयत का क्षेत्रफल अधिक होता है।…

Card 6Rectangle area comparison

Why does a 7 cm × 4 cm rectangle have a larger area than an 8 cm × 3 cm rectangle?

Answer

A 7 cm × 4 cm rectangle contains 7 × 4 = 28 unit squares, while an 8 cm × 3 cm rectangle contains 8 × 3 = 24 unit squares. Since 28 > 24, the 7 cm × 4 cm rectangle has the larger area.

Card 7Rectangle and triangles

How does a diagonal divide a rectangle?

Answer

The diagonal of a rectangle divides it into two congruent triangles. Each triangle has half the area of the rectangle.

Card 8आयताकार और त्रिभुज

एक विकर्ण आयत को कैसे विभाजित करता है?

Answer

किसी आयत का विकर्ण उसे दो सर्वांगसम त्रिभुजों में विभाजित करता है। प्रत्येक त्रिभुज का क्षेत्रफल आयत के क्षेत्रफल का आधा होता है।…

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Frequently Asked Questions

What are the important topics in Area for CBSE Class 8 Mathematics?
Key topics in Area include Area of rectangles and squares, Area of triangles, Area of any polygon, Area of a parallelogram. Study these first, then practise questions on each for Class 8 exams.
How many flashcards are available for Area?
There are 60 flashcards for Area covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Area for Class 8 exams?
Learn the core ideas first, then work through the 73 practice questions on Area. 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.

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