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  1. If the circumradius of an equilateral triangle ABC be 8 cm, then the height of the triangle is
    1. 16 cm
    2. 6 cm
    3. 8 cm
    4. 12 cm
Correct Option: D

As per the given in question , we draw a figure of an equilateral triangle ABC whose circumradius is 8 cm

As we know that ,

Circum-radius of equilateral triangle =
2
× height
3

∴ 8 =
2
× height
3

∴ Height =
8 × 3
= 12 cm.
2



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