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πr^2 = area
Half the diameter to get the radius
Substitute the values in:
area = 3.142 x (7)^2
area = 153.958 cm^2
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Answer:
153.958cm^2
Step-by-step explanation:
r=d/2=14/2=7cm
A=πr^2
A=3.142×7^2
A=3.142×49cm^2
A=153.958cm^2
p= 4/5
9p-3p-2p+p=7-3
5p= 4
9
V=pi (r squared) (h/3)
75pi = 25pi (h/3)
Divide both sides by 25 pi
3= h/3
Multiply both sides by 3
h=9
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