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avatar+1164 

Please explain thoroughly!

RainbowPanda  Mar 1, 2018
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3+0 Answers

 #1
avatar+86622 
+2

We have a right triangle......the hypotense is 8  and we are looking for the adjacent side next to the angle

 

The cosine relates the adjacent and hypotenuse...so we have

 

cos (10°)  =  adjacent side /  8       multiply both sides by 8

 

8*cos(10°)  =  adjacent side   ≈  7.9 ft

 

 

cool cool cool

CPhill  Mar 1, 2018
 #2
avatar+1164 
+1

I was actually right ouo

Tysm for your help!

RainbowPanda  Mar 1, 2018
 #3
avatar+86622 
+1

Good job  !!!!

 

 

cool cool cool

CPhill  Mar 1, 2018

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