Find the area of a circle of radius 4 cm.
1 answer:
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Answer:
Step-by-step explanation:
- 3 =
+ 2x ...... <em>(1)</em>
(1) × 12 :
3x - 36 = 4 + 24x
21x = - 40
x = - =
Answer:
5 inches
Step-by-step explanation:
A cone's volume can be found using the formula . If the cone has a diameter of 3 inches then its radius is half r= 1.5 inches. Substitute r = 1.5 and V = 12 cubic inches.
This means the height of the cone is 5.10 inches or to the nearest inch 5 inches.