The area of a parallelogram is 20. Find the measure of the angles of the parallelogram if the measures of two adjacent sides are 8 and 5.
1
How many triangles can be constructed?
We will use the Law of Sines to figure out how many triangles could be constructed with the information given.
2
State the number of possible triangles that can be constructed if a=10, b=12 and angle B=120
3
State the number of possible triangles that can be constructed if a=4, c=12 and angle A=30
4
State the number of possible triangles that can be constructed if a=4, b=6 and angle A=30
5
If a=9, b=12 and angle A=35. Find the number of
triangles that could be constructed.
6
In triangle PRQ, p=12, sinP= 0.6, and r=8.
Find sinR.
7
When a= √2 , b=3 and angle A=45, how many triangles could be constructed?
8
Homework: pg 841 #3­7, 10, 11, 13, 16
9