There are 38 different time periods during which classes at a university can be scheduled. if there are 677 different classes, how many different rooms will be needed?

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length