7.) The area of an equilateral triangle is 144√13 cm2; find its perimeter.
Area of an equilateral triangle=
√3÷4 × (side)2 and its perimeter = 3 x side
Answers
Answered by
2
Answer:
72(13/3)¼ cm
is the correct answer
Answered by
1
Answer:
36cm
Step-by-step explanation:
Area of equilateral triangle = √3/4 side^2
144√3 = √3/4 side^2
side ^ 2 = 144
side = 12
perimeter = 3 * side
= 3 * 12
= 36 cm
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