In triangle abc ab=7√2,bc=14,ac=7 then find angle c
Answers
Answered by
0
Answer:
it would be more clear if u cud send a photo of it
Answered by
0
Answer:
Step-by-step explanation:
c^2 = a^2 + b^2 – 2ab cos C
(7sqrt(2))^2=(14^2)+(7^2)-2(14*7)cosC
98=196+49-196cosC
196cosC=196+49-98=147
cosc=147/196=3/4
Similar questions