Answer:
B).
Step-by-step explanation:
Answer explantion
A) the ratio of the circumference of the circle to Pi: false
B) exactly 3.14
:true
C) the ratio of the diameter of a circle to Pi:false
D) the square of the circumference of a circle:false
Answer:
x=2;DE,EF=9,DF=5
Step-by-step explanation:
Since DEF is isoceles, you can set the equations
x+7 and 2x+5 equal to each other
x+7=2x+5, now solve for x
-x=-2,
x=2, now plug in for each side
DE,EF=9
DF=3(2)-1=5
400 divided by 5 = 80.
Needs to bag at least 80.
