B. arithmetic sequence
An <em>arithmetic sequence </em>is a sequence in which the ratio of any two consectuive numbers continue to be constant (the same)
hope this helps
Answer:
Option B) ∠DCE is congruent to ∠BCA by the Vertical Angles Theorem and 15 over 5 equals 12 over 4 shows the corresponding sides are proportional; therefore, ΔABC ~ ΔEDC by the SAS Similarity Postulate
Step-by-step explanation:
we know that
The SAS Similarity Theorem states that if two sides in one triangle are proportional to two sides in another triangle and the included angle in both are congruent, then the two triangles are similar
we have that
m∠DCE≅m∠BCA -----> by vertical angles
![\frac{DC}{BC}=\frac{EC}{AC}](https://tex.z-dn.net/?f=%5Cfrac%7BDC%7D%7BBC%7D%3D%5Cfrac%7BEC%7D%7BAC%7D)
substitute the values
![\frac{15}{5}=\frac{12}{4}](https://tex.z-dn.net/?f=%5Cfrac%7B15%7D%7B5%7D%3D%5Cfrac%7B12%7D%7B4%7D)
----> is true
so
Two sides in triangle ABC are are proportional to two sides in triangle EDC and the included angle in both triangles are congruent
therefore
ΔABC and ΔEDC are similar by SAS Similarity Postulate
Answer:
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Step-by-step explanation:
Answer:
Step-by-step explanation:
m^2-40+6m
=m^2+6m-40
=m^2-(10-4)m-40
=m^2-10m+4m-40
=m(m-10)+4(m-10)
=(m+4)(m-10)
How am I sophomore to know this I need help tho