BBC4mon
How do you work out the area of a triangle?
A triangle is always half the area of a rectangle with the same height and width. To calculate the area of a triangle, multiply the height by the width (this is also known as the 'base') then ...
BBC2y
Finding the length of a side in a right-angled triangle
Trigonometry can be used to find the length of a side in a triangle. Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing side in a right-angled ...
ABC 11 Raleigh NC on MSN14d
Triangle figure skating community in mourning following fatal plane crash in DC
RALEIGH, N.C. (WTVD) -- Central North Carolina has a close knit figure skating community that was rocked by a horrific ...
Scientific American2y
Here’s How to Make Flexagons—Folded Strips of Paper with Strange and Surprising Properties
The last triangle is now folded backward and glued to the other side of the first (D). The figure may be flexed as shown below. It is not meant to be cut out. Fairly stiff paper at least an inch ...