Dave Gerr - Boat Mechanical Systems Handbook-How to Design, Install, and Recognize Proper Systems in Boats

Calculating Areas of Plane Figures

Triangles:

Area (B H)  2

Circle:

Area R^2

Area (^1 / 2 D)^2

Half Circle:

Area R^2  2

Area (^1 / 2 D)^2  2

Segment of Circle (approximate)

(less than half a circle):

Area H C

H

C

Note:

≈×××

⎛

⎝⎜

⎞

⎠⎟

≈

082

314

01

.

.

.

π