In figure A regular octagon & 4 square sides = 4 cm Find the area of blue shaded square ABCD is a square AB = 8 cm O - center of semicircle PB & CQ...

In figure
A regular octagon & 4 square
sides = 4 cm
Find the area of blue shaded square
ABCD is a square
AB = 8 cm
O - center of semicircle
PB & CQ are tangent of semicircle
In figure
Find the area of blue quadrilateral
A regular pentagon
Altitude of pentagon is (a+b)
In figure
Find a:b
QUESTION 009