Question

What is ABCD?

Answer 1

ABCD is a rectangle.

`mangleCAD= 22.78^@ (~0.3976" radians")`

Explanation:

Given: `AD = 10, CD=4.2`

`mangleCAD= tan^-1(4.2/10)`

`mangleCAD= 22.78^@ (~0.3976" radians")`