1. 28 x 3/4 = 21 kg
2. 1 hr = 60 mins
=》 1/4 hr = 60/4 = 15mins
3.14 - 3a Radians
Because
180o = 3.14 radian
Sum of interior angles=(n-2)180
3060=(n-2)180
3060/180=n-2
17=n-2
n=17+2
n=19..
Answer:
b
Step-by-step explanation:
Answer:
I don't understand the array of numbers as written in the question.
Step-by-step explanation:
See attached image