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harkey
20.01.2021 •
Mathematics
Which of the following pair(s) of circles are externally tangent? Select all that apply.
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Ответ:
B & C
Step-by-step explanation:
Hello, the answer to your question would be the above, based off of the common external tangent definition.
A common external tangent does not intersect the line segment joining the centers of circles.
Therefore, viewing the graph, we can deduce that B & C is the correct answer.
The other two are internally tangent, due to the fact they intersect the line segment adjoining the circle centers.
Hope it helps.
Ответ:
with explanation:
A tangent to a circle is a Line which touches a circle at a single point.
There can be Infinite number of tangents to a circle which are external only.
In the given figure:
⇒ There are three circles having Centers A, B and C.Circle having Center B lies inside the circle having center C.
⇒The three circles intersect at point T.
⇒The common tangent of these three circles passes through Point T.
⇒Circles having Center B and Center C , have a common external Tangent.
Option A,B and C:
→A and B
→A and C
→B and C
Ответ: