App Description

The formula for calculating the area of the head (circle):

\(S=(D+d)π \times \frac {h}{2} \)

In the formula:

D——large diameter

D——small circle diameter

h - high

Usage example

Input data:

D—large diameter:

D—small circle diameter:

H—high:

Click "Calculate" to output data

Size head (round) area:

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