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MariettaO [177]

3 years ago

6

PLEASE HELP ASAP!!!

1 answer:

SashulF [63]3 years ago

6 0

$\sqrt{210}$

There is a theorem in Geometry stating that the square of the tangent segment (ST) is equal to the product of the external secant segment (TR) and the whole secant segment (TQ).

SQ x SQ = TR x TQ
SQ squared = 7 x 30
SQ squared = 210
SQ = $\sqrt{210}$

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