Answer:
i didn't understand in third line mate
301
Step-by-step explanation:
4300*.07=301
Check the picture below.
make sure your calculator is in Degree mode.
Circ=37.704, Area= 112.112
Circumference= pi *Diameter
Taking pi=3.142, Diameter=12
Circ=3.142*12=37.704
Area= pi * r^2
Area= 3.142*6*6=112.112
45 degrees
45 is half of 90, 90 is a right angle
