← Geometry Cards you don't know will reappear later
You should create an account to save your progress. It only takes a minute!
learning
To find the area of a sector, you need the radius and the angle of the sector, the angle at the center of the circle. Set up a proportion of part-to-whole: the central angle is part of 360°, which is the whole angle, and the area of a sector is part of the area of the circle, which is the whole area.
You have mastered 0 out of 50 cards
You are reviewing 0 out of 50 cards
You are learning 0 out of 50 cards
Have feedback about this card? Please email help@magoosh.com