For nos. 3-5, refer to the figure on the right.
Using the Law of Sines, find AB.
A. 10
B. 9
C. 8
D. 7
What is m<A?
A. 90°
B. 83°
C. 79°
D. 60°
Find BC.
A. 10
B. 9
C. 8
D. 7
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For nos. 3-5, refer to the figure on the right.
Using the Law of Sines, find AB.
A. 10
B. 9
C. 8
D. 7
What is m<A?
A. 90°
B. 83°
C. 79°
D. 60°
Find BC.
A. 10
B. 9
C. 8
D. 7
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Answer:
3:
AB/sin53=AC/Sin44
AB=7*sin53/sin44
AB=8
C.8.
4:
m<A+m<B+m<C=180°[sum of interior angle of a triangle is supplementary]
m<A+44°+53°=180°
m<A=180°-97°
m<A=83
B.83°
5:
BC/SinA=AC/SinB
BC=7*Sin83°/Sin 44°=10
A.10