Answer:
56
Step-by-step explanation:
We know that radius of a circle is perpendicular to the tangent of the circle at the point of contact.

Answer:
B ; A
Step-by-step explanation:
1) The first operation that we have to do is the division
2) we have to added up the the fishes
Answer:
10
Step-by-step explanation:
8+5+15+12+10= 50 / 5 = 10
Average speed = (distance final - distance initial)/(time final - time initial)
Average speed = (30-0)km /(100 -0)min = 3/10 km/min
3/10 km/min *60 min/1 h = 180/10 km/h= 18 km/h