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
5
5 is a factor of 5
I am typing to reach the word count
having all the necessary or appropriate parts:
Answer:
1
Step-by-step explanation:
The common factors are:
1
The Greatest Common Factor:
GCF = 1
Solution
Teh factors of 100 are:
1, 2, 4, 5, 10, 20, 25, 50, 100
Teh factors of 139 are:
1, 139
The common factors are:
1
The Greatest Common Factor:
GCF = 1
20.21 multiplied by 999.801 is 20,205.97821, so the correct answer would be A. about 20,000
