Question

Area of equilateral triangle =49× square root 3cm^2.
r=7,x=60,pi=22/7
Area of non included part of circle =Area of triangle - Area of 3 sector's
=49× square root 3- 3×x/360 × Pi r^2
=49×1.732 -3 ×60/360 ×22/7 ×7×7
=49×1.732 -11×7
=84.868 -77
=7.868

Answer 1

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