Answer:
47
Step-by-step explanation:
a line adds up to 180 so 180-133=47
m<GFN= 90° a right angle
The first one on the left
true
A=3√5
B=11√7
5√5-2√5
5-2√5
3√5
B) 8√7+3√7
8+3√7
11√7