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Mathematics

Answered

Find C.
Round to the nearest tenth.
20 ft)
22 ft
B
18 ft
А

Find C Round To The Nearest Tenth 20 Ft 22 Ft B 18 Ft А class=

Answer :

Colinspurdlego Colinspurdlego

50.5 degrees

Use the cosine rule for angles

cos C = (20^2 + 22^2 - 18^2)/(2 x 20 x 22) = 0.6363...
C = 50.5 degrees

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