> For the complete documentation index, see [llms.txt](https://docs.moasure.com/en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.moasure.com/en/moasure-one-and-moasure-2-series/measure-and-edit/master-edit-tools/extrapolate-corner.md).
# Extrapolate Corner
The Extrapolate Corner tool will intelligently extrapolate a corner for you based on the angles of the measurement segments. This is useful when you cannot get into a corner during measurement.
If you’re unable to access the corner of a room or a garden, you can use the ‘Extrapolate Corner’ tool when your measurement is complete, and the Moasure app will do the job for you.
{% embed url="" %}
**See an example below:**
Let’s say we want to calculate the area and perimeter of a garden, but we are unable to reach one of the corners as there is an obstacle on our way.
### While measuring:
1. Capture at least two points on each wall/line leading into and out of the extrapolated corner.
### Once the measurement is complete:
1. 'Ignore' any irrelevant pause points in your measurement diagram;
2. Select the line you want to extrapolate to the corner;
3. Tap on ‘Edit’ and then select ‘Ext. Corner’.
**Result:** this action will extrapolate the selected line to the corner.
{% hint style="info" %}
To 'Undo' an extrapolated corner, select the new corner point and then use the 'Undo Ext. Corner' tool.
{% endhint %}
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