laosci blog | cereal for brain

ເອົາວິທີການແຕ້ມຮູບຫົວໃຈແບບເລຂາຄະນິດມາຝາກ 1. method 1 1 Draw an isosceles triangle. Draw the perpendiculars to the legs. They produce a second isosceles triangle. Draw two semi-circles upon the legs of the (now yellow) triangle. 2. method 2 Draw two touching equal circles. Draw the common tangent. Draw two further (outer) tangents from one point of the  tangent. [...]