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 (31.52 KiB) Viewed 18 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 2 (20.73 KiB) Viewed 18 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 tunnel is A = 400sin20. SHOW YOUR STEPSIII 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 sino * = 20 cos 0 It's shipping time and you need to figure out some dimensions to see if your triangular item will work with your rectangular box. Your goal is to figure out the measure of 2 САВ. 1 4 20 3 2 a. What is the length of AB? b. What is the length of AC?
C. What is the length of CB? (Hint: create another right triangle on the back side of the box.) d. Draw a picture and label each side of ACAB e. Use Law of Cosines to find the measure of ZCAB
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