![A = \frac{1}{ 2} * [b - a ]](/tpl/images/1003/8376/a4349.png)
![A = \frac{1}{ 2} * [5 -(- 5) ]](/tpl/images/1003/8376/6adac.png)
![\lambda =[ 40 + [ \frac{45- 40 }{2} ]] -[ 10 + [\frac{15- 10 }{2} ] ]](/tpl/images/1003/8376/56193.png)
What is the amplitude and wavelength of the wave?
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