Show:
Law of Sines
Sides
Ambiguous Case
Law of Cosines
Inverse of...
100
What is sinA/a and sinB/b equal to?
sinC/c
100
What are all of the sides using Law of Sine?
Side a, side b, and side c.
100
What is an ambiguous case?
More than one triangle.
100
What is missing from this equation? a^2+c^2-2ac cos B.
b^2
100
How do you read this formula? sin^-1(-91/-218)
sine inverse of negative 91 divided by negative 218.
200
What are the six parts of the triangle?
Angle A, Angle B, Angle C, Side a, Side b, and Side c.
200
What is across from angle C on a triangle?
Side c.
200
Jeopardy!
Daily Double!!
200
How many cases are there for proving the Law of Cosines?
3.
200
What is the sine inverse of 21sin88/26?
53.8
300
What is the next step in this equation? sinA/a=sinB/b
Cross multiply.
300
What is equivalent to side AC?
Side b.
300
If the angle is included between two sides, it is called the what?
Side angle side.
300
Free Response Question!
Write it down.
300
What is the sine inverse of 19sin97/22?
59.
400
What is sine inverse of 7sin30degrees/6?
35.7
400
How many side can be in a triangle?
3.
400
In which case can there be zero triangles?
Side side angle.
400
What is the missing information? c^2=-2ab cos C.
a^2+b^2
400
Jeopardy!
Daily Double!!
500
What is the missing information? angle A=30, b=7, a=6, c=9, and angle C=81
Measurement of angle B.
500
Free Response Question!
Write it down.
500
Is this an ambiguous case? a=20, b=11, and B=29. Find A.
Yes. A= 62 or 118.
500
Which case would be used to find the measurement of angle A?
a^2=b^2+c^2-2bc cos A.
500
What is the sine inverse of 6sin103/26?
12.9