Law of Sines & Cosines Practice

 Solve triangle ABC if m<C = 117, b = 28, and c = 25

• m<A = 118, m<B = 21, a = 20
• m<A = 117, m<B = 21, a = 20
• The triangle cannot be solved because it does not exist
• m<A = 117, m<B = 21, a = 19

Find BC

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find "c" 
Given a=9 b=11 C=120 °

• c=17.4
• c=18.4
• cannot be determined
• c=18.2

a = 19 in, m<B = 134, c = 18 in.  Find b.

• 32.8 in
• 39.9 in
• 38.1 in
• 34.1 in

Find the measure of angle A
Given a=14 b=15 c=18

• A=50
• A=48.6
• A=49.8
• A=49.2

Find angle A if
B=19
a=51
c=61

• 21
• 108.7
• 52.4
• 51

Tags

CCSS.8.G.A.5

c=6 b=9 a=14
Find A

• 133
• 137
• 188
• 121

solve the triangle:
A=65 C=65 a=12

• B=50, b=9.9, c=12
• B=50, b=10.1, c=12
• B=70, b=12.8, c=12
• B=40 b=11.2, c=12

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

solve the triangle:
a = 4, b = 6, c = 12

• A = 1.14, B = 1.29, C = 1.92
• No triangle exists with these side lengths.
• A = 82, B = 73, C = 23
• A = 82, B = 73, C = 25

Solve the triangle Given: A=90 ° C=40 ° c=4

• a=10 b=60 ° b=6
• a=5 B=65.5 ° b=9
• a=10 B=50 ° b=9
• a=9 B=50 ° b=5