Question 1:
Statement Reasons
m∠ABD + m∠DBC = m∠ABC Angle addition postulate
60° + 40° = m∠ABC Substitution Property of equality
100° = m∠ABC Simplpifying
∠ABC is an obtuse angle Definition of obtuse angle
----------------------------------------------------------------------------------------------------------------
Question 2:
Statement Reasons
AC = BD Given
AC = BC + BD Segment addition postulate
AB + BC = BC + CD Addition property of equality
----------------------------------------------------------------------------------------------------------------
Question 3:
Angle congruence postulate
---------------------------------------------------------------------------------------------------------------
Question 4:
Segment congruence postulate
Answer:
-1/2 and -1
Step-by-step explanation:
This is the answer I used in my test, not sure if it is correct, but hope it helps!
I scanned it with an answer finder! Hope this helps
Answer:
V≈121.5in³
Step-by-step explanation:
Answer:
d. using coupons on regular purchases
