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### 5 Cards in this Set

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 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 when 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.