Mary C.
asked • 05/12/20use Law of Cosines to find the missing quantity
use Law of Cosines to find the missing quantity
a. Find side a in ΔABC, b=6, c=8 and m∠A=62
b. Find side r in ΔPQR, p=4, q=3 and m∠R=125
c. Find m<C in ΔABC, of a=6, b=9 and c=10.
d. Find m<A in ΔANT, of a=14, n=16 and t=21.
show works please
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