Question

Find the value of the unknown interior angle x in the following figure: if exterior is 130​

Answer 1

Answer:

180=130-y

y=50

other angle= 90

therefore x = 180-(90+50)

x=180-140

x=40

Step-by-step explanation:

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Answer 2

Answer:

40 degree

Step-by-step explanation:

in the figure

130 is the exterior angle

we know , exterior angle = sum of opposite interior angles

130 = 90 +x

130-90=x

40=x

x = 40 degree