The lid of a grand piano is propped open by a
supporting arm, as shown in the diagram at
...
Mathematics, 08.04.2020 11:48 caplode7497
The lid of a grand piano is propped open by a
supporting arm, as shown in the diagram at
right. Carson knows that the supporting arm
is 2 feet long and makes a 60° angle with the
piano. He also knows that the piano lid
makes a 23° angle with the piano. How wide
is the piano?
Answers: 3
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