Triangle ABC is an equilateral triangle.
1:find .Area if sector APR.
2:Area if equilateral triangle ABC.
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Step-by-step explanation:
Area of equilateral triangle =√3/4*(side)^2
=√3/4*100
=√3*25
=25√3 cm
Area of sector=60/360*π(5)^2
=1/6*22*25/7
=22*25/42
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