Answer:
B
Step-by-step explanation:
Simplifying radicals is similar to collecting like terms in algebra.
Here, the like terms are the radicals
Given
4
+ 2
- 
=
(4 + 2 - 1 )
= 5
→ B
X+7x=180
8x=180
x= 22.5
the larger angle is 157.5 degrees.
The center is 4,2
The radius is 5
Hope this helps