The amount of ribbon needed is the perimeter of the board 2 x length + 2 x width
Answer is A 160 inches
Answer:
the anwer is a triangle as it is shown below.
Volume of a cone: 1/3
r²h
r is the radius (diameter ÷ 2) and h is the height.
Find the radius first using the diameter: 2
÷ 2 = 1.25
Now plug in the numbers into the formula.
1/3
1.25²10 = <span>16.4
</span>
The volume of the cone is 16.4 cubic feet.
Answer:
C
Step-by-step explanation:
cross multiply