How To Find The Area Of The Sector Of A Circle
Description
This section is from the book "The Tinman's Manual And Builder's And Mechanic's Handbook", by Isaac Ridler Butt. Also available from Amazon: The Tinman's Manual And Builder's And Mechanic's Handbook.
How To Find The Area Of The Sector Of A Circle
Rule. Multiply the length of the arc DGE by its radius DC, and half the product is the area.
The length of the arc DGE equal 9½ feet, and the radii CD, CE, equal 7 feet required the area.
9.5x7 = 66.5 ÷ 2 = 33.25 the area.
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