Find the area of a equilateral triangle of perimeter 30cm
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its side will be 10 cm therefore area =1.717×100/4=171/4 cm^2 aprrox .
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Answer:
Step-by-step explanation:
Peri= 30
Side=30/ 3= 10 ( all sides are equal)
Area= (√3÷4) * side* side
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