The area of the sector in the circle can be calculated using the formula: A = <span>π r</span>² θ / 360 where r is the radius and θ is the area subtended by sector. So, A = π (10)² (37/360)
"color the piece according to your color chart." Do you have that? If you don't, I wouldn't worry, you still did all the work and got all the answers, so your teacher should be fine with it.