Q181 · Practice questionTechnology-freeSimple familiar1 mark
QUESTION 181
Two sides of a triangle have lengths cm and cm with included angle . The third side has length
(A)
cm
(B)
cm
(C)
cm
(D)
cm
WORKED SOLUTION
1 markAnswer B
ANSWER
B
Worked solution
By the cosine rule, , so .
Selects the correct option.
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