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CH. 7 Deskwork Review with QR.notebook 1 April 25, 2013 David is building a bike ramp. He wants the angle that the ramp makes with the ground to be 20 degrees. If the board he wants to use for his ramp is 3 1/2 feet long, about how tall will the ramp need to be at the highest point? Round your answer to the nearest tenth. #1 Give your answer in radical form. #2 Round your answer to the nearest tenth. #3 Round your answer to the nearest tenth. #4

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CH. 7 Deskwork Review with QR.notebook

1

April 25, 2013

David is building a bike ramp.  He wants the angle that the ramp makes with the ground to be 20 degrees. If the board he wants to use for his ramp is 3 1/2 feet long, about how tall will the ramp need to be at the highest point? Round your answer to the nearest tenth. 

#1

Give your answer in radical form. 

#2

Round your answer to the nearest tenth. 

#3

Round your answer to the nearest tenth.  

#4

CH. 7 Deskwork Review with QR.notebook

2

April 25, 2013

Find the angle of elevation the ladder makes with the ground. Round your answer to the nearest degree.  

#5

Round your answer to the nearest tenth. 

#6

#7

Leave your answer in reduced radical form. 

#8

CH. 7 Deskwork Review with QR.notebook

3

April 25, 2013

#9 #10

Find x.  Round to the nearest tenth.  

#11 #12

CH. 7 Deskwork Review with QR.notebook

4

April 25, 2013

#13

Round to the nearest foot. 

#14

#15 #16

CH. 7 Deskwork Review with QR.notebook

5

April 25, 2013

x=27√3y=54√3

#17

RIGHT

12, 16, 20Acute, Obtuse or Right

OBTUSE4, 4, 7Acute, Obtuse or Right

#18

#19

Find y.  Find z.  Round to the nearest tenth.  

#20