Answer:
SA= 87.96
Step-by-step explanation:
SA= 2πrh+2πr2
SA= 2·π·2·5+2·π·22
84
2*3*2*5+2*3*2^2
6*10+6*4
60+24
equilateral
isosceles
scalene
mean. median. mode
2006. 4 4 4
2004. 6 6 6
2001. 5.75 5 none