Christmas napkins

Girls embroidered Christmas napkins. Each napkin was triangular with sides of 5 dm, 60 cm, and 800 mm. What was the total length of stitching in centimetres if they made 15 napkins?

Your answer:

cm


Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Do you want to convert length units?
See also our trigonometric triangle calculator.

You need to know the following knowledge to solve this word math problem:

planimetryUnits of physical quantitiesGrade of the word problem

 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: