What is the surface area in square inches of a cube with side lengths of 4 inches
2 answers:
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Answer:
Option A : 29 is the correct answer.
Step-by-step explanation:
Given that:
Number of trees planted by Tim = 86
Percent of trees with white flowers = 34%
Number of trees = 34% of 86
Number of trees =
Number of trees = 0.34 * 86
Number of trees = 29.24
Rounding to nearest whole number
Number of trees = 29
Hence,
Option A : 29 is the correct answer.
Answer:
6
Step-by-step explanation:
h = 8
Surface area = 66π
2πr(r +h) = 66π
2πr(r + 8) = 66π
r² + 8r = 33
r² + 8r - 33 = 0
r² + 11r - 3r - 33 = 0
r(r + 11) - 3(r + 11) = 0
(r +11 ) (r - 3) = 0
r - 3 = 0 {Ignore r = -11 as radius will not have negative value}
r = 3
Diameter = 3*2 = 6 units