Find the value of x in this case:
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hey mate!!
100°+angle adjacent to that let it be angle 1=180
so, angle 1=180-100
angle 1=80°
now, 3x+80°=7x (because of exterior sum property)
80°=7x-3x
80°=4x
80/4=x
20=x
hope it helps!!
100°+angle adjacent to that let it be angle 1=180
so, angle 1=180-100
angle 1=80°
now, 3x+80°=7x (because of exterior sum property)
80°=7x-3x
80°=4x
80/4=x
20=x
hope it helps!!
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