find the area of triangle whose side is 280
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If it is an equilateral triangle, then
area of the triangle = √3/4 (280)^2
= (√3× 70 ×280)
= √3 × 19600
=1.73 × 19600( since √3= 1.73)
=33908 sq. unit
area of the triangle = √3/4 (280)^2
= (√3× 70 ×280)
= √3 × 19600
=1.73 × 19600( since √3= 1.73)
=33908 sq. unit
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