2.7 is already rounded to the nearest tenth.
Answer:
3 positive tiles hope.helps
r= 20 units
theeta= 46
L= 2πr* theeta/360
L
L = 160 units
B is the correct answer as it qualifies for all the answers correctly.
1.2a+a=33
2.3a=33
3.a=11
Step-by-step explanation: