Mathematics for IGCSE & O level - Mensuration (Section 4 - No. 42)
The circumference of a circle can be calculated using which formula?
A = πr²
C = 2πr
V = lwh
P = 2(l+w)
ব্যাখ্যা
The circumference formula is C = 2πr, where r is the radius of the circle.