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5 Cards in this Set

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  • Back
  • 3rd side (hint)
The area K of triangle ABC is given by:
K = 1/2ab(SinC) when

K = Area of a triangle
a = one side
b = another side
SinC = sine of included angle
Use when a side-angle-side (SAS) triangle is given.
The SEGMENT of a circle is:
the region bound by an arc of a circle it's chord.
The Law of Sines
in triangle ABC:

sinA/a = sinB/b = sinC/c
A= degrees of angle A
a= measure of segment a...
In an SAS triangle,
(side opposite A)² =
(side adjacent to A)² +
(other side adj. to A)² -
2(side #1 X side #2)Cos(angle)
Law of Cosines
What is a course?
an angle measured from North, to the direction of the transportation vehicle.