Area
CBSE · Class 8 · Mathematics
Flashcards for Area — CBSE Class 8 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.
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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।…
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.
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.
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.
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।…
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.
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.
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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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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