Answers

2015-03-12T11:27:59+05:30
Here,it's given that
2 pi r=pi r^2
hence r=2
so,diagonal=4

1 5 1
2015-03-12T11:28:51+05:30
so 2π r = π r²...thus r = 2
thus,diagonal is 4.
1 5 1
write the measure of the diagonal
wroten
friends
but what if our ans r wrong?