Dos ejercicios del tàbata donde trabajan las piernas y dos que trabajan los brazos.

Aray diagram for a refracted light day is shown. what does the dashed line represent

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.