Answer:
B
Step-by-step explanation:
Using the Sine Rule in ΔABC
= =
∠C = 180° - (82 + 58)° = 180° - 140° = 40°
Completing values in the above formula gives
= =
We require a pair of ratios which contain b and 3 known quantities, that is
=
OR
= → B
Step-by-step explanation:
-2x+3=x+12
combin like terms
-2x-x=12-3
-3x=9
x=9/-3
x=-3
Answer:
n=147/22
Step-by-step explanation:
Answer:
It is 12.9, 13.1, 13.2 C.
Step-by-step explanation: