3 years ago

Find all the missing elements: 40° 120° 8 C = [?]º a = [ ] c = [ ]

Mathematics

1 answer:

Ede4ka [16]3 years ago

8 0

Answer:

C=20° a=10.8 c= 4.3

Step-by-step explanation:

first we need to find the value of angle C by subtracting the sum of angle A and B from 180°.

to find c and a we need to use sin rule which states that sinB/b=sinA/a=sinC/c respectively

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