Answer:
c
Step-by-step explanation:
3
10/100=x/30
Cross multiply
100x=300
Divide each side by 100
X=3
Answer:

Step-by-step explanation:
Given

Required
Write in the simplest form

Divide by 2


Divide by 2


<em>The expression cannot be further simplified.</em>
Answer:
The answer is 
Step-by-step explanation:
The triangle isosceles has two equal angles and two equal sides
The triangle ABC is an isosceles triangle -----> see the attached figure
-----> radius of the circle
------> angles of the base of the isosceles triangle ABC
------> by central angle ( vertex angle of the isosceles triangle ABC)
Remember that
the sum of the internal angles of a triangle is equal to 
so


