The surface area of the cone is calculated to the nearest tenth as: 173.4 cm².
Surface area of a cone = πr(r + l),
Given the following:
Plug in the values
Surface area of the cone = π × 4(4 + 9.8)
Surface area of the cone = 173.4 cm²
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Answer:
28 is the answer pls mark brainliest
1080/2 216/1
Step-by-step explanation:
Divide 1080/2 by 5, and 216/1 by 10, and this is what I got
9 11/12
4(x)=12
x=3
3 1/4=3 3/12
3(x)=12
x=4
6 2/3=6 8/12
3 3/12+6 8/12=9 11/12
So, 42500 x .85 ^ 7 - 1
13623.52 is what i got