Home » prism

Emilie du Chatelet – European philosophy

By |2019-05-18T09:08:25-07:00August 7th, 2017|Modern Europe, Philosophy|

Emilie du Chatelet, a French philosopher in the 1700s Did Emilie du Chatelet go to school? Emilie du Chatelet's rich father, who was interested in literature and science, hired tutors to homeschool her, instead of sending her to a convent school. She learned Latin, German, Greek, and Italian, as well as math and science. [...]

Rectangle – area and perimeter

By |2018-04-23T16:01:22-07:00July 29th, 2017|Math|

This is a rectangle. A rectangle is a flat shape, in one plane. It's defined by four points at the four corners. A rectangle has two sides of equal length opposite each other, and two other sides of equal length opposite each other, and four corners, all right angles (90 degree angles). A square is a special kind of rectangle. [...]

What is a prism? Rectangular and triangular prisms

By |2017-07-29T11:53:44-07:00July 29th, 2017|Math|

This is a triangular prism A prism is the solid shape you get if you move a flat polygon through space. A prism has five planes: a top, a bottom, and three sides. The most common kind of prism is a rectangular prism, made by moving a quadrilateral through space: a cube is a common example of a [...]