Answer:
The Formula is 4 x Pi x Radius Squared . surface area of sphere = 4 x pi x radius x radius where "x" indicates multiplication and pi = approximately 3.141592654 4 * pi * r^2
Step-by-step explanation:
Answer:51 Groups
60 students + 42 students = 102
102 divided by 2 = 51 Total groups.
Me das mas información?
C 315
(12 + 30) * 15/2 = 315