Area — Formula Sheet
CBSE · Class 8 · Mathematics
7 formulas from Area (CBSE Class 8 Mathematics) on one page, grouped by topic. Part of the CBSE Class 8 Mathematics syllabus.
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Formulas and Key Relations
Rectangle and Square
Area of a rectangle = length × width.
Area of a triangle = 1/2 × base × height.
Triangles and Triangle Area
Area(ΔABC) = 1/2 × h × (DC − DB) = 1/2 × h × BC
Area(ΔABC) = 1/2 × AX × BC = 15/2 sq. units
Area(ΔABC) = 1/2 × BY × AC = 1/2 × 4 × BY = 2BY
BY = 15/4 = 3.75 units
Parallelogram
Area of the parallelogram = base × height.
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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
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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