If the area of an equilateral triangle is 4√3 cm² , its semi perimeter is:
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Answered by
1
Step-by-step explanation:
✓3/4a^2 = 4✓3
✓3a^2 = 16✓3
✓3 cancel out
therefore,
a^2= 16
a= 4
Answered by
1
area of equilateral triangle =√3a²/4
4√3cm²= √3a²/4
a= 4
so perimeter of equilateral triangle = sum of all sides
4+4+4=12
then semiperimetre =12/2
= 6
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