Please I need help!!
2 answers:
Answer:
(b) 1272
Step-by-step explanation:
The volume of a cone is found using the formula V=
So plug in each variable according to the image.
The radius is 9 and the height is 15, so plug those in and multiply out the answer. You were also told to use 3.14 for pi so plug that in aswell.
(3.14)(9*9)(15/3)
(3.14)(81)(5)
= 1271.7
= 1272
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Answer:
D) 3768 inches
Step-by-step explanation:
Given,
No. of plates = 100
Diameter of each plate = 12inches
So, radius of each plate = 12 / 2 = 6 inches
So, circumference of each plate
= 2 × 3.14 × 6 inches
= 37.68 inches
Hence, circumference of 100 plates = 100 × 37.68 inches
= 3768 inches
Hence, <u>3768 inches</u> of gold trim is required (Ans)