12. The height of an equilateral triange of side 5cm is
a 4.33
(b)3.9
(c)5
Answers
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ANSWER : The height of an equilateral triange of side 5cm is C - 5
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Answer:
Apply Pythagoras theorem
h = √ (5^2 - (5/2)^2= √25 - 25/4= √75/4= √18.75
= 4.33 Ans
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