Answer:
Since the base of a cone is a circle, we substitute 2πr for p and πr2 for B where r is the radius of the base of the cylinder. So, the formula for the lateral surface area of a right cone is L. S. A=πrl , where l is the slant height of the cone .
Step-by-step explanation:
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Answer:
Decreased by 20%.
16 lbs is 80% of 20 lbs.
Step-by-step explanation:

y × 20 = 16 × 100
20y = 1600
20y ÷ 20 = 1600 ÷ 20
y = 80
100% - 80% = 20%
14 degrees. It equals half the intercepted arc.
(See attached graphic)
Answer:
0.0660 = 6.60 x 10-2
Step-by-step explanation:
Answer:
8:10 and 12: 15
Step-by-step explanation:
we have to multiply