Very important question of mensuration including
very important concept of it.need solution!
Rd sharma class 10 maths exercise-15.4 mensuration.
we have to find the increase in area of the grassy
lawn in which the calf can graze given that a calf
is tied with a rope of length 6 m at the corner of
a square grassy lawn of side 20 m. If the length of
the rope is increased by 5.5 m.