Prove: ZDCB ZECA
Mathematics, 23.03.2021 08:20 kskfbfjfk
What is the missing reason in step 5?
Given: AB intersects DĖ at point C.
Prove: ZDCB ZECA
linear pair postulate
given
definition of complementary angles
congruent complements theorem
AX
2
B
E
Statements
Reasons
1.
AB intersects DE at point C.
1. given
2 2DCB and ZBCE are a linear pair. 2. def. of lin pr.
3. UDCB is supp, to ZBCE. 3. linear pair post
4. ZBCE and ZECA are a linear pair. 4. def. of lin pr.
5. BCE is supp, to ZECA.
5. ?
6. DCB ZECA
6. Supp. thm
Answers: 3
Mathematics, 21.06.2019 15:40
Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie
Answers: 2
Mathematics, 21.06.2019 16:30
The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?
Answers: 1
Mathematics, 21.06.2019 21:30
Plz hurry evaluate the expression a+b where a=8 and b=19
Answers: 1
Mathematics, 21.06.2019 22:30
60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?
Answers: 1
What is the missing reason in step 5?
Given: AB intersects DĖ at point C.
Prove: ZDCB ZECA
Prove: ZDCB ZECA
Chemistry, 05.11.2020 14:00
Geography, 05.11.2020 14:00
Mathematics, 05.11.2020 14:00
Geography, 05.11.2020 14:00
Mathematics, 05.11.2020 14:00
English, 05.11.2020 14:00
Biology, 05.11.2020 14:00
English, 05.11.2020 14:00
Mathematics, 05.11.2020 14:00
Chemistry, 05.11.2020 14:00
Mathematics, 05.11.2020 14:00
Mathematics, 05.11.2020 14:00
Mathematics, 05.11.2020 14:00
English, 05.11.2020 14:00