# 1. Find the value of the unknown exterior angle x in the following diagrams:

P Pankaj Sanodiya

As we know that the exterior angle is equal to the sum of the opposite internal angles. So,

i) $x=50^0+70^0=120^0$

ii) $x=65^0+45^0=110^0$

iii) $x=30^0+40^0=70^0$

iv) $x=60^0+60^0=120^0$

v) $x=50^0+50^0=100^0$

vi) $x=30^0+60^0=90^0$

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