Los Angeles-based studio Ensso has designed an all-in-one fountain pen with scale ruler for architects and engineers. Launched on Kickstarter, the Escala pen has a long, triangular cap that doubles as ...

Solution: Using a scale of 1 cm = 10 m 80 m = 8 cm 60 m = 6 cm An angle is unchanged when using a scale. Using a ruler draw a line 8 cm long. At one end of this line measure and mark an angle of 70°.

All of these features should be included on a map. These features are essential for understanding and using the map correctly. Maps are divided into a series of squares known as a grid. These grids ...