a square cardboard has a side of 10cm.one cm away from each side a design comprising 4 semicircles of same radius,such that the ends of semi circles touch each other.find the area of remaining card board.(pi=3.14)
Question
questin no 26
Maths
March 7, 2019, 2:05 p.m.
Answer
The smallest positive integer for which 2^n(1×2×3×............n) <n holds for
A square OABC is inscribed in a quadrant OPBQ a circle.if OA= 21 cm,find the area of the shaded region.