Loading the lesson
Loading the lesson
Search AllRounder.ai
Search the courses, subjects, tracks, games and features, or jump straight to a page.
Search the courses, subjects, tracks, games and features, or jump straight to a page.
4 cards from this section. Quick, good the night before a test.
What is the diameter of a circle with a radius of 3 cm?
Use the formula d = 2r.
Define what an arc is.
Think about the curve in the circle.
What is the relationship between the radius and diameter of a circle?
Remember the acronym DR.
True or False: A tangent intersects the circle at two points.
Think about how tangents are drawn.
A circle has a radius of 10 cm. Calculate the length of an arc measuring 72°.
Use the formula for arc length and plug in the values.
Given a segment defined by a chord of 8 cm in a circle of radius 5 cm, what is the height of the segment?
Use Pythagoras' theorem!
6 more questions in this section. Enroll free to practise them all.
Enroll free