Question

find the value of x 30 degree 40 degree 140 degree and 90 degree

Answer 1

we can apply angle sum property=sum=360°

30°+40°+140°+90°+x°

300°+x°=360°

x=360°-300°

x°=60°

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Answer 2

Answer:

Given that

One angle is 90 degree

One angle is 30 degree

Now using linear pair angle property

90 + x + 30 = 180

=> 120 + x = 180

=> x = 180 - 120

=> x = 60 degree

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