O is the centre of the regular pentagon. What part of the whole pentagon is the shaded region ?
A. 10 %
B. 20 %
C. 25 %
D. 30 %
Answer:D
O is the centre of the regular pentagon. What part of the whole pentagon is the shaded region ?
A. 10 % B. 20 % C. 25 % D. 30 %