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find the area of an equilateral triangle , with perimeter equal to 18cm and altitude measuring 4 cm. |
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Answer» ng to the QUESTION,Perimeter of TRIANGLE = 18cmAltitude = 4 cmAs the triangle is equilateral triangle so, one side of triangle = 18/3= 6 CMAREA of triangle = 1/2×base ×height= 1/2×6×4= 12 cm²Therefore the area of equilateral triangle = 12 cm² |
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