We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
+1
125
3
avatar+78 

The legs of a right triangle are lengths x and x√3. The cosine of the smallest angle of the triangle is _____.

A. 1/2 

B. √3

C. (√3)/2

D. 2√3

 Jan 31, 2019
 #1
avatar+4247 
+2

We know that it has to be a 30-60-90 triangle based on the info. The cosine of the smallest angle, which is 30 degrees is adjacent divided by hypotenuse, or \(\frac{\sqrt{3}}{2}\) or (C). The \(2x\) came from across the 90 degree angle.

 Jan 31, 2019
 #2
avatar+78 
+2

Thank you!

Bleh674  Feb 2, 2019
 #3
avatar+4247 
+1

No problem!

tertre  Feb 3, 2019

8 Online Users

avatar
avatar