Shown below is a circle and 2 congruent squares (PQRS & QTUR). ST, SU and UT are tangents to the circle. The side length of the square is 10 cm.

Find the radius of the circle. Show your work.

 

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Shown below is a circle and 2 congruent squares (PQRS & QTUR). ST, SU and UT are tangents to the circle. The side length of the square is 10 cm. Find the radius of the circle. Show your work.

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo