Coach E's Indirect Proof Quiz
Authored by Jim Eustice
Mathematics
9th - 10th Grade
CCSS covered
Used 12+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What assumption would you make to start the indirect proof of AB≅BC?
AB≠BC
BA≅CB
B is the midpoint of AC
B is the perpendicular bisector oa AC
Tags
CCSS.HSG.CO.C.9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What assumption would you make to start the indirect proof of:
there can be only one 90 angle in a triangle
there can be more than one 90 angle in a triangle
<a+<b+<c=180
<a+<b+<c≠180
all the angles in a triangle add up to 180.
Tags
CCSS.8.G.A.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is a contradiction of the statement XY≅RT?
XY<RT
TR≅YX
XY≈RT
XY≤RT
Tags
CCSS.8.G.A.2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Does a triangle with these side lengths exist?
15, 12, 9
Yes
No
I don't know.
Tags
CCSS.7.G.A.2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Does a triangle with these side lengths exist?
33, 16, 17
Yes
No
I don't know.
Tags
CCSS.7.G.A.2
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