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The two-column proof below describes the statement and reason for proving that corresponding angles are congruent.
answered
Jan 8, 2018
Mathematics
high-school
1
vote
206k
views
Sodium metal (Na) and chlorine gas (Cl) are two reactive and dangerous elements. Chlorine is a halogen gas that can cause respiratory damage and sodium is an alkali metal that reacts violently with water.
answered
May 4, 2017
Chemistry
high-school
5
votes
150k
views
What are 2 expressions that equal 19
answered
Mar 30, 2017
Mathematics
middle-school
5
votes
138k
views
Which best describes the purpose of style in writing?
answered
Jan 20, 2017
English
high-school
2
votes
187k
views
15 decreased by twice a number algebraic expression?
answered
Mar 11, 2015
Mathematics
high-school
4
votes
131k
views
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