Angle Bisector Similar Triangle
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The figure is an example of a(n) ...
angle bisector
perpendicular bisector
median
midsegment
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a line segment or ray drawn from a vertex that divides the angle into two congruent angles?
Median of a Triangle
Altitude of a Triangle
Perpendicular Bisector of a side of a Triangle
Angle Bisector
Midpoint of a Line Segment
Tags
CCSS.HSG.CO.C.9
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the missing statement in the proof?
2m∠ABD=m∠ABD+m∠ABD
m∠ABD=m∠DBC
m∠ABC=m∠ABC
m∠ABD+m∠ABD=m∠ABD+m∠DBC
Tags
CCSS.4.MD.C.7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the missing statement in the proof?
2m∠ABD = m∠ABD + m∠ABD
m∠ABD = m∠DBC
m∠ABC = m∠ABC
m∠ABD +m∠ABD = m∠ABD + m∠DBC
Tags
CCSS.HSG.SRT.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the "statement" for step 2 of the proof?
∆BAC≅∆DAC
BC=DC
∡B≅∡D
∡BAC≅∡DAC
Tags
CCSS.HSG.CO.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given: m∠LAN = 30⁰ , m∠1 = 15⁰
Prove: AM bisects ∠LAN
Step 1: m∠LAN = 30⁰
Step 2: m∠1 + m∠2 = m∠LAN
Step 3: m∠1 + m∠2 = 30⁰
Step 4: m∠1 = 15⁰
Step 5: 15⁰ + m∠2 = 30⁰
Step 6: m∠2 = 15⁰
Step 7: m∠1 = m∠2
What is the justification for Step 7?
Subtraction property of equality
Transitive property of equality
Addition property of equality
Definition of congruent angles
Tags
CCSS.HSG.SRT.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Angle JHG measures 161.
m∠GHK=80.5,
m∠KHJ=161
m∠GHK=161,
m∠KHJ=80.5
m∠GHK=80.5,
m∠KHJ=80.5
m∠GHK=161,
m∠KHJ=161
Tags
CCSS.HSG.CO.C.9
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