Answer:
d
Step-by-step explanation:
Using the Cosine rule to find ∠ A
cosA = 
= 
= 
=
, then
∠ A =
(
) ≈ 84.9° ( to 1 dec. place )
Answer:
31.98
Step-by-step explanation:
78 * .41 = 31.98
Answer:
21
Step-by-step explanation:
Answer:
73
Step-by-step explanation:
you write 12 instead of b
Answer:
cant help ya but if you go to math_way they help with all sorts of stuff like this
Step-by-step explanation:
sorry!