Question

Find the value of x in the following
figure.
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Answer 1

Answer:

x = 140

Step-by-step explanation:

x+ 40 =180 ( linear pair )

x = 180-40 = 140

Answer 2

so, the 40 degree angle's opposite angle will also be 40 degree due to the rule, opposite sides are equal. So, now you found 2 angles.

Since the angle opposite is not given, we can assume it also as x,

now, lets place whatever we have, two 40 degree angles, and 2 'x' angles.

and we also know that if we add all of these, the answer will be 180 degree.

therefore, 40+40+x+x=180 degrees

40 + 40= 80, x + x= 2x

80+2x= 180

2x= 180-80 which is equal to 100

2x=100

x=100/2 which is equal to 50

therefore, x = 50