2 answers:
Answer:
x = 13.7
Step-by-step explanation:
The angle at the top of the triangle = 90° - 17° = 73°
The left side of the triangle is x ( opposite sides of a rectangle )
Using the cosine ratio in the right triangle
cos73° = 
= 
Multiply both sides by 47
47 × cos73° = x, hence
x ≈ 13.7
Answer:
13.74
Step-by-step explanation:
the top right angle is 90 (opposite angles in a quadrilateral add up to 180). use the sine rule. x = 47/sin 90 × sin 17
= 13.74
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