maybaby9625
18.06.2021 •
Mathematics
Find all the missing elements:
40°
120°
8
C = [?]º a = [ ] c = [ ]
![Find all the missing elements:
40°
120°
8
C = [?]º a = [ ] c = [ ]](/tpl/images/2408/4187/0c5d7.jpg)
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Ответ:
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
Ответ: