Question

pm is a tangent to a circle with centre o touching the circle at M If OP=85 cm and PM=77cm find the radius of circle

Answer 1

Answer:

As MOP forms a triangle with <M=90°,

To find : OM(radius)

As per Pythagoras theorem,

OP^2 = OM^2 + PM^2

85^2 = 77^2 + (r) ^2

7225 = 5929 + r^2

7225 - 5929 = r^2

1296 = r^2

\/1296 = r

36 = r

Therefore, Radius = 36cm

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Answer 2

your answer is 36.........