the sides of the triangke are 3cm,4cm,5cm what is its area
Answers
Answered by
0
Answer:
Ok
Step-by-step explanation:
place formula of area of triangle
Answered by
2
Answer: 6 sq.cm
Step-by-step explanation:
The lengths of the sides are a=3 cm, b=5 cm, c=4 cm.
∴semiperimeter=a+b+c/2=
semiperimeter=3+5+4/2=6 cm
We use the formula,
Δ=√s(s−a)(s−b)(s−c)
∴Δ=√6(6−3)(6−5)(6−4)cm
=√6×3×1×2 sq.cm
=√36 sq.cm
= 6 sq.cm
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