Answer:
the answer is -9
Step-by-step explanation:
3(2 - 5)
6 - 15
-9
B because if the circle has a radius of x2 the 1/2 of that would be a+c bringing in c to become abc or a+b+c
The answer is 1/6 because it is not negative
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
(3.78x109)<span>÷14,000
=0.02943
= 2.943 x 10^-2</span>