sukikaha07

3 Questions
1 Answers

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The centers of three non-intersecting circles lie on the same straight line.

The centers of three non-intersecting circles lie on the same straight line. Prove that if a fourth circle is tangent to all three of the given circles, then its radius is greater than that of at least one of the given three

sukikaha07 Apr 1, 2020

-1

489

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HELP! Need the answer ASAP!

The centers of three non-intersecting circles lie on the same straight line. Prove that if a fourth circle is tangent to all three of the given circles, then its radius is greater than that of at least one of the given three

sukikaha07 Apr 1, 2020

+1

684

1

+13

2) Two parallelograms ABCD and DCEF are put together along their common side CD. Prove that the quadrilateral ABEF is also a parallelogram.

2) Two parallelograms ABCD and DCEF are put together along their common side CD. Prove that the quadrilateral ABEF is also a parallelogram.
BTW it was number 2 in this link and was unanswered https://web2.0calc.com/questions/geometry-help_100 read more ..

sukikaha07 Apr 1, 2020

+13

+1

Can someone answer the other equations?

sukikaha07Apr 1, 2020