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A diver stands on level ground 50 feet from the base of the 12 foot high dive. What is the approximate measure of the angle of elevation between the diver and the diving board (round to the nearest whole number)?

 

A) 12°

B) 13°

C) 14°

D) 15°

E) 77°

 

 

 

A 25-foot ladder is leaning against the side of a house. The top of the ladder is 20 feet above the ground. To the nearest degree, find the angle of elevation between the ground and the ladder.

 

A) 37°

B) 39°

C) 51°

D) 53°

E) 72°

 Nov 5, 2019
 #1
avatar+105370 
+1

First one

 

arctan  (12/50)     .....make sure your calculator is in DEGREE mode....

 

 

Second one 

 

arcsin  ( 20 / 25)

 

cool cool cool

 Nov 5, 2019
 #2
avatar+1278 
0

1. A

 

2. C

macabresubwoofer  Nov 5, 2019
 #6
avatar+1278 
0

1st. The correct answer is 13°. Since you know the opposite and adjacent you will use tangent tan x= 12/50

macabresubwoofer  Nov 6, 2019
 #3
avatar+105370 
0

Post your answers.....let's  see where you went wrong......

 

 

 

cool cool cool

 Nov 5, 2019
 #4
avatar+1278 
+1

I THOUGHT OF IT IN MY MIND

macabresubwoofer  Nov 5, 2019
 #5
avatar+105370 
+2

Let's use some math......"intuition" is often incorrect

 

 

cool cool cool

CPhill  Nov 5, 2019

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