The ratio of boys to girls in Ms. Thames's class is 2 to 3. There are 18 girls in the class. What is the total
2 answers:
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Answer:
D
Step-by-step explanation:
Using the Sine rule in Δ QRS , that is
=
, that is
=
( cross- multiply )
12× sinQ = 15 × sin50.1° ( divide both sides by 12 )
sinQ = , thus
Q = (
) ≈ 73.5° ( to the nearest tenth )