If the angles of a triangle are x + 21 degree x degree and x minus 45 degree find the value of x
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By the basic law or statement . The sum of all angles of a triangle is 180° .
Let's assume that the three angles are a , b and c .
Here , the measurements of each angle is as follows :-
a = x + 21
b= x
c= x -45
So ,
a + b + c =180°
hence substituting the values ,
x + 21 + x + x -45 = 180
3x - 24 = 180
3x = 180 +24
3x = 204
x = 204 ÷ 3
x = 68
The value of x is 68.
Let's assume that the three angles are a , b and c .
Here , the measurements of each angle is as follows :-
a = x + 21
b= x
c= x -45
So ,
a + b + c =180°
hence substituting the values ,
x + 21 + x + x -45 = 180
3x - 24 = 180
3x = 180 +24
3x = 204
x = 204 ÷ 3
x = 68
The value of x is 68.
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