5.
If the height of an equilateral triangle is 6√3 cm, then find its perimeter.
Answers
Answered by
1
Answer:
Height of equilateral triangle = √3 cm
√3/2 × Side = √3
Side = √3 × 2 / √3
Side = 2 cm.
Perimeter of equilateral triangle = 3 × Side = 3 × 2 = 6 cm.
Step-by-step explanation:
Answered by
0
Answer:
Answer
Height of an equilateral triangle =6cm
Let x be a side of triangle.
Height of the equilateral triangle =
2
3
(side)=
2
3
x.
6=
2
3
x
x=
3
12
x=
3
12
3
=6.92cm
Now,
Area of a triangle =
4
3
(side)
2
=
4
3
×6.92×6.92=20.76cm
2
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