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Círculo y circunferencia II

¿Te has puesto a pensar cómo se puede medir la longitud de una circunferencia? ¿Qué relación tiene esta medida con el diámetro y el radio? ¿Cómo ...

Arte para niños (I)

En este vídeo vamos a aprender a distinguir un templo egipcio, un templo griego y una basílica romana.

Es un recurso de Pedro Menchén

Arco reflejo (Educarchile)

La imagen a color muestra las características de un arco reflejo.Arco reflejo es un contenido didáctico publicado en Educarchile, el portal de la educación del gobierno de Chile. En Educarchile encont ...

El dintel y el arco

"El vídeo puede tener interés para alumnos de E.S.O., de bachillerato de ciencias, de artes y de cualquier carrera en que se estudie la arquitectura como una de las bellas artes. En ...

Inscribed Angles

"Inscribed angles are angles whose vertices are on a circle and that intersect an arc on the circle. The measure of an inscribed angle is half of the measure of the intercepted arc and half the measur ...

Similar Triangles in Circles and Right Triangles

"Two triangles in a circle are similar if two pairs of angles have the same intercepted arc. Sharing an intercepted arc means the inscribed angles are congruent. Since these angles are congruent, the ...

Constructing an Angle

"When constructing an angle, first swing an arc from the vertex of your angle. Then, swing a congruent arc from the new vertex. Return to the original angle; the drawn arc intersected the sides of the ...

Constructing a Perpendicular

"The shortest distance between a point not on a line and a line is along the perpendicular to the line. Constructing a perpendicular to a line uses the same process as constructing the perpendicular b ...

Circumference

"Circumference can be thought of as the "perimeter" of a circle or the distance around a circle. Since pi is the ratio of circumference to diameter, circumference can be calculated by multiplying the ...

Central Angles

"A central angle is an angle whose vertex is on the center of the circle and whose endpoints are on the circle. The endpoints on the circle are also the endpoints for the angle's intercepted arc. The ...

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