Interesting links
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- 3D Objects Additional
- 3D Objects Recommended
- About Us
- Algebra
- Circles Additional
- Circles Recommended
- Data Analysis
- Fractions & Decimals Additional
- Fractions & Decimals Recommended
- Functions & Equations Additional
- Functions & Equations Recommended
- Geometry
- Graphing Additional
- Graphing Recommended
- Home
- Integer Additional
- Integer Recommended
- Number Sense
- Other Polygons Additional
- Other Polygons Recommended
- Patterns Additional
- Patterns Recommended
- Probability Additional
- Probability Recommended
- Quadrilaterals Additional
- Quadrilaterals Recommended
- Ratio, Proportion, & Percent Additional
- Ratio, Proportion, & Percent Recommended
- Statistics Additional
- Statistics Recommended
- Triangles Additional
- Triangles Recommended
Categories
- 3D Objects Additional
- 3D Objects Recommended
- Circles Additional
- Circles Recommended
- Fractions & Decimals Additional
- Fractions & Decimals Recommended
- Functions & Equations Additional
- Functions & Equations Recommended
- Graphing Additional
- Graphing Recommended
- Integer Additional
- Integer Recommended
- Other Polygons Additional
- Other Polygons Recommended
- Patterns Additional
- Patterns Recommended
- Probability Additional
- Probability Recommended
- Quadrilaterals Additional
- Quadrilaterals Recommended
- Ratio, Proportion, & Percent Additional
- Ratio, Proportion, & Percent Recommended
- Statistics Additional
- Statistics Recommended
- Triangles Additional
- Triangles Recommended
Circles & Triangles
Find the relationship between the circumradius of a triangle and the radii of the circles that pass through the triangle’s vertices.
Intersecting Circles
Examine the relationship between two secants that pass through the intersections of two circles.
Circling the Coordinate Plane
Given coordinates of the endpoints of a circle’s diameter, find the circle’s area.
Equation of a Circle
Find the equation of a circle based on its radius, center, and locus of points.
Intersecting Chords
Determine a relationship between segments formed by the intersection of two chords of a circle.
Optimizing Triangles Using Radii
Find the triangles with maximum and minimum area if two sides of the triangle are determined by radii of the circle.
Area of a Sector
Determine a relationship between the area of a circle’s sector and the radius and central angle of the circle, and between the arc length of a sector and the radius and central angle of the circle.
Angles in a Circle
Investigate how the location of an angle’s vertex affects its relationship to the measure(s) of the arc(s) it intercepts.
Maximal Volume of a Cone
Determine the sector of a circle that will produce a cone with maximum volume.
Changes in the Circumference
Explore how changing the diameter of a circle affects its circumference.
Tangent Along the Diameter
Find a relationship between the area of a circle and the areas of the tangent circles along the circle’s diameter.
Equal Areas
Construct a circle with five equal regions that do not intersect at the circle’s center.
Tangential Circles
Compare the area and circumference of a circle inscribed in a region between two intersecting circles.