what is the height of an equilateral triangle with sides 10 inches long?
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if you know the formula use it or do by pythagoras theorem
ex :
by Pythagoras theorem
if sides of eq. tri. is a
hyp= a
base= a/2
and the h= √3a square/4
substitue your value in place of a
ex :
by Pythagoras theorem
if sides of eq. tri. is a
hyp= a
base= a/2
and the h= √3a square/4
substitue your value in place of a
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