6. Find the perimeter of each of the following shapes :
(a) A triangle of sides 3 cm, 4 cm and 5 cm.
(b) An equilateral triangle of side 9 cm.
(c) An isosceles triangle with equal sides 8 cm each and third side bani.
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I can't be predicted to this question
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Answer:
a = 3+4+5=12cm
b=√3/4*9^2=you calculate it
c=I don't know
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