Summary:
There are 6 measurement options under the Measurement Tool. You can use these tools to manually measure the distance between objects, a particular angle measurement, and the area of certain sections.
Measure Tools
Distance and Angle
- Press and hold at the measurement starting point 
- Drag and release when you reach the endpoint 
- You will be prompted with a default number, which can be optionally changed 
Area โ Polygon
- Press and hold at the measurement starting point 
- Drag and release when you reach the first corner of the polygon 
- Repeat until Polygon has been defined 
Area โ Rectangle
- Press and hold at the measurement starting point 
- Drag and release when you have the rectangle you want 
Area โ Pick Internal Point
- Tap anywhere inside a closed object (all sides of a drawn shape are connected) 
Area โ Select Boundary
- Select a series of lines on a closed object 
- Once a completed shape has been selected, the object will show the area 

