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Lets solve some problems relating to angles.


Look at the in focus question below. What do you think the value is of the ?

Lets Learn what the angle would measure.


What do the angles in each corner of a rectangle measure? 

That's right. It is 90 degrees. 

If we fold this corner and we know x measures 40 degrees so 90 - 40 = 50 degrees.


Since the rectangle has been folded, if we divide 50 by 2 we know each one would measure 25 degrees. 

Now, try the guided practice section below.

Now, complete worksheet 10 in workbook 5B.