First of all, let’s find CB.
sin(45°) = CB : 6sqrt(2)
CB = 6
Now we can find CD
cos(60°) = x : 6
x = 3
Answer:

Step-by-step explanation:
=> 
=> 
<u><em>Cancelling (x-1)</em></u>
=> 
=> 
Answer:
Please,I don't get your question & kindly be specific
Answer:
x = -52
Step-by-step explanation:

Let us solve for x.





Use cross multiplication to find the value of x.



Divide both sides by 3.
x = - 52
Answer:
D
Step-by-step explanation:
Area of a triangle is 1/2(base×height)
The base here is r and the height is
X