in the given figure, O is the centre of the circle. the radius of the circle is 3.1 cm and PA is a tangent drawn to the circle from point P. if OP = x cm and AP = 6.2 cm, then find the value of x.
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Answer:
Step-by-step explanation:by using pythagorus theorem
OP^2=AP^2+AO^2
OP^2=(6.2)^2 + (3.1)^2
OP^2=38.44 + 9.61
OP^2=48.05
OP= Square root(48.05)
OP=6.93
I hope it is helped you
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x = 6.93 O is the centre of the circle. the radius of the circle is 3.1 cm and PA is a tangent drawn to the circle from point P. if OP = x cm and AP = 6.2 cm
Step-by-step explanation:
O is the centre of the circle. the radius of the circle is 3.1 cm
=> OA = 3.1 cm
OP = x cm
AP = 6.2cm
Applying Pythagorean theorem
OP² = OA² + AP²
=> x² = 3.1² + 6.2²
=> x² = 3.1² + (3.1 *2)²
=> x² = 3.1² + 3.1² * 2²
=> x² = 3.1² (1 + 4)
=> x = 3.1√5
=> x = 6.93
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