if the length of the side of an equilateral triangle is 6cm then its perimeter is.......cm
Answers
Answered by
1
Answer:
18 cm
Step-by-step explanation:
Perimeter is the length of all the sides.
An equilateral triangle has all sides of equal and there are 3 sides.
Side of triangle = 6 cm
Perimeter = 6 + 6 + 6 = 18 cm
Answered by
0
Answer:
9√3
Step-by-step explanation:
Area of a equilateral triangle=√3/4×a²
=√3/4×6²
=√3/4×36
=9√3
hope it helps
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