A roofer sketches a diagram of a house on which he is working.
2 answers:
Using the SSA formula:
X = SQRT ( 40^2 + 26^2 - 2*40*26*cos(65))
X = SQRT(2276 - 2080*cos(65))
X = SQRT(1396.954)
X = 37.37 = 37.4 ft.
Answer:
(B)37.4 feet
Step-by-step explanation:
From he given diagram, let width of the house be x, then using the cosine formula, we get

=
=
=
Thus, 
⇒
⇒
Therefore, the width of the house is 37.4 feet.
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