calculate the value of x
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it's such a easy question
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Step-by-step explanation:
180 degree= 4x + x + 75°
180 degree = 5x +75°
180°- 75° = 5x
105°= 5x
105°/5= x
21°=x
measure of A is 21°
measure of B is 21°*4 =84°
My answer will help you , it's an absolutely correct answer
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Answer:
we know that exterior angle = sum of two opposite angles
4x = 75+x
5x = 75
x=75/5
x=15
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