- 1 A Rectangular Tunnel Is Cut Through A Mountain To Make A Road Show That The Cross Sectional Area Of The End Of The T 1 (22.65 KiB) Viewed 23 times
1. A rectangular tunnel is cut through a mountain to make a road. Show that the cross-sectional area of the end of the t
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1. A rectangular tunnel is cut through a mountain to make a road. Show that the cross-sectional area of the end of the t
1. A rectangular tunnel is cut through a mountain to make a road. Show that the cross-sectional area of the end of the tunnel is A = 400sin 20. SHOW YOUR STEPS!!! The height of the tunnel is y and the width of the tunnel is 2x, so start with A= 2xy. Since the vertices are on the circle, you know: y = 20 sin e x = 20 cose
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