In triangle ABC, AB= 8 cm, BC= 5 cm and CA= 6 cm. BC is produced to R so that CR= 3 cm. (i) Express cos BCA in the form of p/q, where p and q are integers. (ii) Hence, find the length of AR.
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2
Answer:
Ar=Assault rifle
Step-by-step explanation:
ok... i think that this is this ok as i told you
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0
Answer:
cos(ACB)=‐1/20
Length of AR=6.57cm
Step-by-step explanation:
BC is produced to R means that R is further than BC.
the rest is cosine formula nothing else
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