length of each side of an equilateral triangle is 5cm find out the height
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Answer:
first draw a medium of equilateral triangle
then, in half triangle
By Pythagoras theorem
5^2=(height)^2+(2.5)^2
25= (h)^2+6.25
25-6.25=(h)^2
18.75= (h)^2
= height= √18.75
= height=4.33 cm
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