All shapes are semi-circles
find the area of the blue shaded portion
ab = 10

1) 20.5 π
2) 50 π
3) 5.5 π
4) 10.5 π
5) 12.5 π

Suppose you are making a map of stars around the sun, and you draw earth 1 cm from the sun on your map. the brightest star in the night sky is 8.6 light-years from the sun. on your map, how far would you place that star from the sun?

Compare and contrast the impact of global commerce on european and asian dynasties. did any dynasty hold an advantage over others in controlling commercial networks and using them to enrich their societies?

During the industrial revolution in europe, were recruited to locate criminals. sheriffs police bobbies thief catchers