Answer:
1.s = a + b + c
2
= 50 + 40 + 60
2
= 75 centimeters
Area = √s(s-a)(s-b)(s-c)
= √75×(75 - 50)×(75 - 40)×(75 - 60)
= 992.15674164922 centimeters2
2.Volume = 1/3 πr2h
= 1/3 ×π×22×6
= 8π
= 25.132741228718 centimeters3
3.Volume = 4 /3 πr3
= 4/3 ×π×303
= 36000π
= 113097.33552923 centimeters3