If the perimeter of an equilateral triangle is 180 cm. Then its area will be: *
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Answered by
3
Answer:
perimeter of equilateral triangle=3a
180cm=3a
180/3=a
60cm=a
area of equilateral triangle=(√3/4)×a²
(√3/4)×60²
√3×60×15
900√3cm² area of equilateral triangle
Answered by
1
Answer:
Step-by-step explanation:
a=x ,b=x,c°x
a+b+c=180
x+x+x= 180
3x=180
x= 180/3
x= 60
a=60,b=60,c=60
Area of triangle
= 1558
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