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Areas
Parallelogram
- Square
- Rectangle
Triangle
Trapezoid
Kite and Rhombus
Regular polygon
Circle
Sector
Annulus
Segment
Regions between circles and squares
Surface area of Prisms
Surface area of Cylinders
Surface area of Pyramids
Surface area of a Cone
Surface area of Joined Solids
Pythagorean Theorem
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Area of a segment
A
segment of a circle
is the region between a chord of a circle and its associated arc.
Area of a segment in a circle
The area of a segment in a circle is found by first calculating the area of the sector formed by the two radii and then subtracting the area of the triangle formed by the two radii and chord (or secant)
Area =
Find the shaded area.
Area =
r=4cm
x=90º
b=4cm
h=4cm
Area = = 4-8 m
^{2}