Question

The sides of triangle are 3cm,4cm,5cm.find its area

Answer 1

Hello friend

in a triangle ABC
^a +^b+ ^c =180
^3+^4+^5=180
^3=12
a=12/3
a=6

therefore the area of a triangle is 6

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Answer 2

Hey friend, Here is your answer-
Area of triangle = root s (s-a)(s-b)(s-c)
Here s = 6........ (half of perimeter )
A = root 6 (6-3)(6-4)(6-5)
=root 6×3×2×1
=root 6×6
=root 36
Area = 6 cm2.
Hope it will help you friend.
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