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Apellot7
 2 years ago
A firecracker has dimensions as shown. Height is 14 cm, radius is 1 cm and slant height of the cone is 2 cm.
Paper covers the entire surface area including the cone, the lateral area and the bottom circle but does not include the tail.
What is the best approximate area of paper needed to wrap the firecracker?
(Use for . Round your answer to the nearest whole number.)
Apellot7
 2 years ago
A firecracker has dimensions as shown. Height is 14 cm, radius is 1 cm and slant height of the cone is 2 cm. Paper covers the entire surface area including the cone, the lateral area and the bottom circle but does not include the tail. What is the best approximate area of paper needed to wrap the firecracker? (Use for . Round your answer to the nearest whole number.)

This Question is Closed

nickymarden
 2 years ago
Best ResponseYou've already chosen the best response.0you have 2 different shapes. a cilinder and a cone. to calculate the whole area you will need to calculate the total area of the cilinder and the total area of the cone. \[Acone= pi * r^2\] \[Acilinder=2*π*r*h + 2π*r2 \]

Apellot7
 2 years ago
Best ResponseYou've already chosen the best response.1can you set the problum up with me?

nickymarden
 2 years ago
Best ResponseYou've already chosen the best response.0\[Acone: 3,14*1^2\]

nickymarden
 2 years ago
Best ResponseYou've already chosen the best response.0\[Acilinder=2*3,14*1*14+2*3,14*1^2\]

nickymarden
 2 years ago
Best ResponseYou've already chosen the best response.0then: Acone+Acilinder

nickymarden
 2 years ago
Best ResponseYou've already chosen the best response.0and that is your answer :)

Apellot7
 2 years ago
Best ResponseYou've already chosen the best response.1thats not the answrs i have. thought

Apellot7
 2 years ago
Best ResponseYou've already chosen the best response.1\[100cm2 power 97cm to 2 power 91cm2 power 104cm2

nickymarden
 2 years ago
Best ResponseYou've already chosen the best response.0well, those are the formulas :x

Apellot7
 2 years ago
Best ResponseYou've already chosen the best response.1didd i do the math wrong? can yuu coculated them 2

nickymarden
 2 years ago
Best ResponseYou've already chosen the best response.0yees, i just told you the answer lol
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