Knowledge about plane geometryLet A and C be the centers of two tangent circles. Draw a line from a point E through the intersection of the two circles and let that line intersect the circles at B and D. Then AB is parallel to CDComponente Curricular::Ensino Fundamental::Séries Finais::Matemátic
Knowledge about Plane GeometryLet P be a point outside a circle and PB and PD be two secants. Then P...
Knowledge about Analytic Geometry and Plane GeometryThe locus of midpoints of the line from some poi...
Two circles in the plane can intersect in 0, 1, or 2 points (or overlap). The number depends on the ...
Knowledge about plane geometryLet A and C be the centers of two tangent circles. Draw a line from a ...
Plane GeometryLet two circles with diameters BC and DE be tangent at point A. If BC || DE, then A, C...
Knowledge about plane geometryIf two circles are internally tangent at point A and a secant intersec...
Knowledge about plane geometryIf two circles are internally tangent at point A and a secant intersec...
noneSuppose two circles with centers A and B intersect at C and D. Then, AB is perpendicular to CDCo...
noneSuppose two circles with centers A and B intersect at C and D. Then, AB is perpendicular to CDCo...
Plane GeometryLet AB be the diameter of a semicircle. Let CD and CE be tangents from a point C. Let ...
Given two distinct circles, the locus of the centers of all circles tangent to those two circles is ...
Given two distinct circles, the locus of the centers of all circles tangent to those two circles is ...
noneThis Demonstration shows two tangent circles, centered at A and B, with radii rA and rBComponent...
noneThis Demonstration shows two tangent circles, centered at A and B, with radii rA and rBComponent...
Knowledge about Plane GeometryLet P be a point outside a circle and PB and PD be two secants. Then P...
Knowledge about Plane GeometryLet P be a point outside a circle and PB and PD be two secants. Then P...
Knowledge about Analytic Geometry and Plane GeometryThe locus of midpoints of the line from some poi...
Two circles in the plane can intersect in 0, 1, or 2 points (or overlap). The number depends on the ...
Knowledge about plane geometryLet A and C be the centers of two tangent circles. Draw a line from a ...
Plane GeometryLet two circles with diameters BC and DE be tangent at point A. If BC || DE, then A, C...
Knowledge about plane geometryIf two circles are internally tangent at point A and a secant intersec...
Knowledge about plane geometryIf two circles are internally tangent at point A and a secant intersec...
noneSuppose two circles with centers A and B intersect at C and D. Then, AB is perpendicular to CDCo...
noneSuppose two circles with centers A and B intersect at C and D. Then, AB is perpendicular to CDCo...
Plane GeometryLet AB be the diameter of a semicircle. Let CD and CE be tangents from a point C. Let ...
Given two distinct circles, the locus of the centers of all circles tangent to those two circles is ...
Given two distinct circles, the locus of the centers of all circles tangent to those two circles is ...
noneThis Demonstration shows two tangent circles, centered at A and B, with radii rA and rBComponent...
noneThis Demonstration shows two tangent circles, centered at A and B, with radii rA and rBComponent...
Knowledge about Plane GeometryLet P be a point outside a circle and PB and PD be two secants. Then P...
Knowledge about Plane GeometryLet P be a point outside a circle and PB and PD be two secants. Then P...
Knowledge about Analytic Geometry and Plane GeometryThe locus of midpoints of the line from some poi...
Two circles in the plane can intersect in 0, 1, or 2 points (or overlap). The number depends on the ...