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If one side of an equilateral …

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If one side of an equilateral triangle is 4 cm .find area

    • Posted by Sakshi Swarnkar 4 years, 6 months ago

    CBSE > Class 09 > Mathematics
    • 4 answers

    Bro . 4 years, 6 months ago

    s=4+4+4/2. s=12/2. s=6. Area=√(6-4)×(6-4)×(6-4). Area=√2×2×2. Area=√8. Area=2√2.ans

    1Thank You

    Ashvanth Gopal 4 years, 6 months ago

    In a eqalateral triangle all sides are equal so sidea=b=c=4cm by heron's formula you can find the semiperimeter and after that find the area

    2Thank You

    Diya Save 4 years, 6 months ago

    as it is an equilateral triangle hence,side1=side2=side3 area of equiateral triangle =root3 * (side)^2 --------- 4 =root3 * (4)^2 ------------ 4 = root3 * 16 ---------- 4 = root 3 * 4 =4 *root 3

    1Thank You

    Kabir Arora 4 years, 6 months ago

    512 cm^2

    4Thank You

    ANSWER
    http://mycbseguide.com/examin8/

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