About 600 results
Open links in new tab
  1. Khan Academy | Khan Academy

    Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

  2. Circles | Integrated math 2 | Khan Academy

    We'll explore circle basics, learn about arcs and their measures, and dive into the cool world of radians. Get ready to solve problems with inscribed shapes, discover the secrets of tangents, …

  3. Free Math Worksheets — Over 100k free practice problems on …

    Mar 15, 2021 · They’ll help you assign the perfect practice for each student from our full math curriculum and track your students’ progress across the year. Plus, they’re also 100% free — …

  4. Khan Academy | Khan Academy

    Courses Virginia Math Math: Pre-K - 8th grade Math: High school & college Math: Multiple grades Math: Illustrative Math-aligned Math: Eureka Math Squared-aligned Math: Eureka Math …

  5. Circle equation review | Analytic geometry (article) | Khan Academy

    Review the standard and expanded forms of circle equations, and solve problems concerning them.

  6. Challenge problems: Arc length 1 (article) | Khan Academy

    Solve four challenging problems that ask you to find arc length without directly giving you the arc measure.

  7. Challenge problems: radius & tangent (article) | Khan Academy

    Solve two challenging problems that apply properties of tangents to find the radius of a circle with a tangent.

  8. Area of a sector (practice) | Sectors | Khan Academy

    Relate the area of a sector to the area of a whole circle and the central angle measure.

  9. Tangents of circles problem (example 3) (video) | Khan Academy

    When we say that a certain line is tangent to circle O, do we assume that O is the center of the circle? And when referring to circles in general, is it enough to use one point or do we need to …

  10. Radius, diameter, circumference & π (video) | Khan Academy

    Learn how the number Pi allows us to relate the radius, diameter, and circumference of a circle.