Question

There are 100 students in class IX of a school. Mathematics teacher asks all the students to Prepare a cylindrical container with base at the bottom but open at the top , using cardboard. Each student has to make one container of diameter 8.4 cm and height 11.2 cm. The cost of the Cardboard is per 100 cm2. Find the amount spent by the teacher for the purchase of the Cardboard
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Answer 1

Step-by-step explanation:

given diameter=8.4cm

therefore radius=4.2cm

height=11.2cm

therefore surface are =curved surface areas + face areas

= 2πrh +πr^2= 350.79

Answer 2

Answer:

HAVE A LOOK AT THIS!

M FAALTU M HI PRESHAN HO RHI THI!!

Step-by-step explanation:

ALE BABA LE!

NO WORRIES!

MAKE A NEW ONE!!!

AND FOLLÕW ME FIRST