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evablogger [386]
3 years ago
9

Determine whether a tangent is shown in the diagram, Yes or No?

Mathematics
1 answer:
inysia [295]3 years ago
5 0

Answer:

No

Step-by-step explanation:

If the line was a tangent, it would be perpendicular to the radius of the circle - hence there would be a 90 angle between them. Therefore we would be able to apply the Pythagorean theorem (a^2 + b^2=c^2) to determine the side lengths of a triangle that would be valid. In order for the line to be a tangent so you would say that:

3^2+9^2=90

12^2 = 144

90\neq 144

so this must not be the case.

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