Math, asked by Omkaramallick, 8 months ago

length of a tangent segment drawn from a point which is at a distance of 12.5 cm from the centre of a circle is 12 find the diameter of the circle ?? please tell I really need this !!​

Answers

Answered by ps5173538
0

Answer:

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Step-by-step explanation:

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Answered by wwwalison8888a
10

Answer:

7cm

Step-by-step explanation:

ref the diagram in the pic

T is the centre of circle

R is the radius

S is point outside circle

we know tangent and radius are always perpendicular so triangle BTS is a right angle triangle.

using Pythagoras theorem,

BS sq+ BT sq= TS sq

12 sq + R sq= 12.5 sq

R = 3.5

so the diameter is 3.5*2= 7 cm

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