Question

Jo btayega usai 20 thanks..no spam...isme btao yaha 2 pie r square h or dusre m pie r square..aisa kyu please btaoo in Hindi..... please
class 9 ch 13 ex 13.2 question 9 and 11 ☹️☹️​

Answer 1

Answer:

2pie rh is the curved surface area of cylinder

2pie r² is the sum of area of two circles at the top and bottom