Answer:
78.6
Step-by-step explanation:
Area of circle = Pi*r^2
r=5
for pi use calculator or pi=3.142
area =Pi*r2=(3.142)*5^2=(3.142)*25=78.55 = 78.6 (1 decimal place which is same with tenth)
Answer:
13 minutes and 20 seconds
Step-by-step explanation:
400/30= 13.33333333
.333333 of a minute is 20
Area of a Triangle: 1/2 bh
Therefore: 1/2 6.8 (4.3)
Answer: 3.4 x 4.3 = 14.62
60 marbles is your answer to your question
