The sides of a trangle are 3cm,4cm or 60m.find in area
Answers
Answered by
0
Answer:
6
Step-by-step explanation:
The lengths of the sides are a=3 cm, b=5 cm, c=4 cm.
∴s=
2
a+b+2
=
2
3+5+4
cm=6 cm
We use the formula,
Δ=
s(s−a)(s−b)(s−c)
.
∴Δ=
6(6−3)(6−5)(6−4)
cm
2
=
6×3×1×2
sq.cm
=6 sq.cm
Answered by
0
Answer:
1/2 ×base×height
1/2×60×3
=1/1×30×3
=30×3
=90cm²
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