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AngleObtuse
Username
AngleObtuse
Score
12
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3
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3 Questions
0 Answers
0
61
1
+12
Proving shapes similair.
I know all of the different ways that you can prove a triangle similar, but somehow it doesn't translate over to quadrilaterals. For example, SSSS similarity doesn't work for quadrilaterals. How would I know whether or not a quadrilateral is similar or
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AngleObtuse
Mar 5, 2021
0
62
1
+12
HARD QUESTION: Proving DX is the same value
Rectangle ABCD contains a point X such that AX=1, BX=7, and CX=8. Find DX, then prove DX is the same value no matter what size and shape rectangle you have that fulfills these requirements.
I solved for DX, but I don't know how to do
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AngleObtuse
Mar 1, 2021
0
64
1
+12
Inscribed Quadrilaterals.
What type of quadrilaterals have a circumcircle? How would I know that such a quadrilateral is circumscribable? This would help in using brahmgupta's formula on math competitions.
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AngleObtuse
Mar 1, 2021