Answer:
the LCM is 180
2 9, 12, 15
2 9, 6, 15
3 9, 3, 15
3 3, 1, 5
5 1, 1, 5
1, 1, 1
2×2×3×3×5=180
A= 153.94 mm
Step-by-step explanation:
A = πr²
A=π(7)²
Robert is not correct because in order for it to be supplementary the angles have to be consecutive interior
13.66
In the picture above
