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Get the supplies that were listed

Draw a line using the ruler and the pencil

Draw a medium size dot in the middle of the line

Take your protractor and make sure that the dot lines up with 90 degrees
To make a reflex angle, the angle needs to be more than 180 degrees. For example let's draw 255 degrees!
A whole circle is 360 degrees and we need to do 255 degrees so we have to subtract them to get 105 degrees

Draw a 105 degree angle anywhere on the line connected to the dot

Erase the half of the line that is not part of 105 degree angle

Draw a curved arrow around the top of the two lines

Write the degree of the angle on top of the curved arrow

Congratulations, you just drew a reflex angle