The two sides of a triangle are 3 cm
and 4 cm and its perimeter is 12 cm
Area of the triangle is
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Answer:
6 sq cm
Step-by-step explanation:
let the sides be A and B and C
A=3, B=4
A+B+C = 12
3+4+C= 12
7+ C = 12
C = 5
s = P/2 where P is perimeter
s = 6
by herons formula,
√s(s-A)(s-B)(s-C)
√6(6-3)(6-4)(6-5)
√6×3×2
√6×6
area is equal to 6 sq cm
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