A box shaped like a rectangular prism has the dimensions: 4 inches by 2 1/2 inches by 2 inches. The box is filled with smaller c
2 answers:
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Answer:
Y = 59.0°
Step-by-step explanation:
Using the cosine rule in terms of x, y and z
cosY =
with x = 22, y = 20 and z = 18
cosY =
=
= , thus
Y = (
) ≈ 59.0° ( to the nearest tenth )