Giải phương trình sau sin4x = sinπ/5
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Width of the miniature model = inches
Length of the miniature model = inches
The actual width of the boat = 15 feet
Let us find the actual length of the boat.
Write it in a proportion form.
width of model : length of model : : width of actual : length of actual
Do cross multiplication.
⇒ x = 22
Hence the actual length of the boat is 22 feet.