Answer:
54 cm
Step-by-step explanation:
The area (A) of an equilateral triangle is
A = 
( s is the side length ) then
= 81
( multiply both sides by 4 to clear the fraction )
s² = 324 ( divide both sides by )
s² = 324 ( take the square root of both sides )
s = 
= 18
Thus
perimeter = 3 × 18 = 54 cm
Answer:
the answer is(5)
Step-by-step explanation:
Answer:
5%
Step-by-step explanation:
10/200 × 100 = 5
hope this helps...
12 three credit classes and two 2 credit classes
EXPLINATION:
12x3=36
2x2=4
And when you add you’re products together you get you get 40
