Center of gravity - Isosceles triangle

Q.  What is the C.G of an isosceles triangle of base 20 cm and side 40?
- Published on 18 Sep 15

a. 12.90 cm
b. 13.28 cm
c. 19.36 cm
d. 38.72 cm

ANSWER: 12.90 cm

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    Discussion

  • Punit kumar singh   -Posted on 14 Oct 19
    Feom where base, ya top if we take from base then it will right but if u take from top it will be 2h/3
  • Sravanthi   -Posted on 14 Dec 15
    Given: Base of an isosceles triangle = 20 cm, side = 40 cm

    Formula: Centroid = Height of isosceles triangle (h) / 3

    Solution:



    - O is the centroid of triangle PQR.

    - Height of triangle = √(40)2 - (10)2

    = 38.72 cm

    Centroid of triangle along y – axis = h / 3

    = 38.72 / 3

    = 12.90 cm

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