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Sagot :
The value of x = 93 degree and value of angle A and B is 72 , 108 degree
What is a Linear Pair ?
The pair of triangles that are supplementary and they add to form 180 degree angle are called Linear Pairs.
It is given that
∠ A = x -21
∠ B = x+15
also it is given that
angle A and B form a linear pair
∠ A + ∠ B = 180 degree
To find the value of x
x -21 + x+15 = 180
2x - 6 = 180
2x = 186
x = 93 degree
so
∠ A = x -21 = 93 -21 = 72 degree
∠ B = x+15 = 93+21 = 108 degree
Therefore the value of x = 93 degree and value of angle A and B is 72 , 108 degree.
To know more about Linear Pair
https://brainly.com/question/1757859
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