Sandy made 6 pints of hot chocolate for her friends. If each of sandy's mugs holds 2/7 of a pint of liquid, how many friends wil
1 answer:
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Answer:
d
Step-by-step explanation:
Using the Cosine rule to find ∠ A
cosA =
=
=
= , then
∠ A = (
) ≈ 84.9° ( to 1 dec. place )