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ndef5055
23.06.2019 •
Mathematics
Which of the following pair(s) of circles have / as a common external tangent? select all that apply. a and b a and c b and c
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Ответ:
Answer 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:
300
Step-by-step explanation: