Provide the missing reasons for the proof of part of the triangle midsegment theorem.
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Mathematics, 07.10.2019 10:30, vasqz283
Provide the missing reasons for the proof of part of the triangle midsegment theorem.
given: k is the midpoint of mj. l is the midpoint of nj.
prove: mn = 2kl
statement:
1.) k is the midpoint of mj. l is the midpoint of nj.
2.) mk ≅ kj and nl ≅ lj
3.) mk = kj and nl = lj
4.) mj = mk + kj and nj = nl + lj
5.) mj = 2kj and nj = 2lj
6.) mj/kj = nj/lj = 2
7.)
8.) triangle jmn ~ triangle jkl
9.) mn/kl = mj/kj
10.) mn/kl = 2
11.) mn = 2kl
reason:
1.) given
2.)
3.)
4.)
5.) substitution property of equality
6.) division property of equality
7.)
8.)
9.)
10.)
11.)
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