AT is a tangent to a circle with centre O at A. AT=12cm,OT=13cm find t

1.	AT is a tangent to a circle with centre O at A. AT=12cm,OT=13cm find the diameter of the circle
Answer» Answer: 10 Step-by-step explanation: OT will be HYPOTENUSE so OT^2 = AT^2 +OA^2 13^2= 12^2+OA^2 OA^2= 169-144=25 OA =5 so diameter = 2OA = 25=10

AT is a tangent to a circle with centre O at A. AT=12cm,OT=13cm find the diameter of the circle

Answer»

Answer:

Step-by-step explanation:

OT will be HYPOTENUSE

so OT^2 = AT^2 +OA^2

13^2= 12^2+OA^2

OA^2= 169-144=25

OA =5

so diameter = 2*OA = 2*5=10

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AT is a tangent to a circle with centre O at A. AT=12cm,OT=13cm find the diameter of the circle​

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AT is a tangent to a circle with centre O at A. AT=12cm,OT=13cm find the diameter of the circle