If you extent AE and BF to meet at a particular point, what will be the measure of the angle formed in between these lines.
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Solution 1.We can extent both lines downwards. to make a triangle in lower side. 2.The line EA extent on lower side gives an angle of 110(degree) to the line CD. <sum of angles in an line is 180(degree), we have 70(degree) already.then 180(degree)-70(degree)=110(degree)> 3.The line FB extent on the lower side gives an angle of 60(degree)< opposite angles > 4.Then we have two angles of a triangle. To find the unknown angle add both together and get subtracted the answer with 180.<180-(110+60)=180-170=10(degree)> SO THE UNKNOWN ANGLE IS 10(degree)