For an equilateral triangle, the length of its inradius be 4 cm, then the area of the triangle is
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Radius describes half of diameter
Then diameter is 8
Equilateral triangle =1/2×side×side
1/2×4×4
=8cm. Sq.
Then diameter is 8
Equilateral triangle =1/2×side×side
1/2×4×4
=8cm. Sq.
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