HOW TO MEASURE A CURVE LINE????

Let's see "How To Measure A Curve Line??"


Materials:
A thread
A paper that has a curved line drew on it.
Scissors
A 30cm scale

INSTRUCTIONS

Trace the curve line with the thread from the starting of the line.

Cut the thread when it reaches the the end of the line.

Now stretch the thread and place the starting of the thread at the 0 mark on the scale. Read the point where the thread reaches it's end. That is the length of the LINE!!!!