As we can see the given diagram represents an isosceles trapezoid.
So we can say from the properties of isosceles trapezoid.
As the required side XY has a length y+1, So we can write
Simplify. 3(x+4) ————-
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As we can see the given diagram represents an isosceles trapezoid.
So we can say from the properties of isosceles trapezoid.
As the required side XY has a length y+1, So we can write