The answer is actually 1.571
Answer:
4.80 units (3 s.f.)
Step-by-step explanation:

Hence, length of AB
= √(11+1)^2 - (8+3)^2
= √ 12^2 -11^2
= √ 23
= 4.80 units (3 s.f.)
Seven groups waited in line to see a concert. there were 9 people in each group. how many people were there in total?
9x7= 63
Answer:
The square root of 2 is 1.41421