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Mathematics 7 Online
OpenStudy (anonymous):

Quadrilateral PQRS is circumscribed around a circle. What is the perimeter of PQRS?

OpenStudy (anonymous):

OpenStudy (anonymous):

Tangents from an external points are equal so using this property we can have its perimeter perimeter of PQRS = PQ+QR+RS+PS= (3+4)+(4+6) +(6+7)+(3+7) =7+10+13+10 =40 units

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