multiply 15430000 by 25%
25% = 0.25
15430000 x 0.25 = 3857500
Ribbon, Photo, Ribbon, Ribbon, Photo, Ribbon.
4 x 12 x 4 x 4 x 12 x 4= 40 cm.
Hope this helps!!
Area of a circle is pi*r^2.
Here the diameter is 22 inches, so the radius is 11 inches.
The area of the bike wheel is thus A = pi * (11 inches)^2 = 121*pi sq in