martinjohnsond079
01.12.2019 •
Mathematics
What's the area of a circle with radius 18 units?
a. 36π units2
b. 18π units2
c. 9π units2
d. 324π units2
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Ответ:
Step-by-step explanation:
The formula for the area of a circle of radius r is A = πr².
Here, the area is A = π(18 units)² = 324π units² (Answer D)
Ответ:
y=−2(x−3)2+10
y=−2x2+12x−8
Step-by-step explanation: