plss solve this question it is urgent
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Answer:
Step-by-step explanation:
1--
CSA= 2πrh
1980=(2*22*15*h)/7
(1980*7)/660 = h
=> h = 21 cm
2--
Diameter AB=EF=CD = 2*radius
= 8cm
3--
We know that in a triangle, sum of two sides is always greater than the third side.
Here sum of two given sides is
4cm+6cm=10cm
PR<10cm
Therefore length of PR will be less than 10cm.
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