a bridge across a river makes an angel of 45 degree with the river bank. if the length of the bridge across the river is 150m what is the width of river
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the width of the river is 150m.
tan 45=150/x
1=150/x
x=150/1
x=150
tan 45=150/x
1=150/x
x=150/1
x=150
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