Question

Find the inradius of an equilateral triangle whose

Q: Answer-Find the inradius of an equilateral triangle whose altitude is 9√3 cm.

Altitude of equilateral triangle 3a2 , where a is the side of equilateral triangleSo, 3a2 63Or, a 12 cmInradius of equilateral triangle a23 1223 63 23 cm

altitude is 9√3 cm.

A 12√3 cm

B 2√3 cm

C 6√3 cm

D 3√3 cm

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Solution