11. The length of each side of an equilateral triangle of area 18/3 cm² is:
(a) 613 cm (b) 8 cm
(c) 872 cm
(d) 12 cm
Answers
Answered by
1
Answer:
The area of equilateral triangle is 9
3
cm
2
Since, the area of equilateral triangle is
=
4
3
a
2
Step-by-step explanation:
4
3
a
2
=9
3
a
2
=9×4
a
2
=36
a=6cm
Hence, the side of the triangle is 6cm.
Answered by
0
872 cm
Step-by-step explanation:
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