The lid of a grand piano is propped open by a
supporting arm, as shown in the diagram at
...
![subject](/tpl/images/cats/mat.png)
Mathematics, 08.04.2020 11:50 nika0001
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?
![ansver](/tpl/images/cats/User.png)
Answers: 2
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