What is the perimeter of this shape... Captionless Image
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5x -2y = -10 .....1
3x + 6y =66......2
on multiplying eq. 1 by 3
5x -2y = -10 .....1 ×3
15x -6y =-30
now subtract both equations ,
15x -6y =-30
3x + 6y =66
-___-_____-_
12x =-96
x= -8.
putting value of x in eq 1
5×8 -2y =-10
40 -2y =-10
40-10=2y
50=2y
25=y.
The possible expressions for the measure of the smallest acute angle
These three expressions are the possible measure of the smallest acute angle.
These three expressions are the possible measure of the smallest acute angle.
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