3) which angle is included between nm and pn? look at the first picture.
Mathematics, 29.01.2020 19:58 gachaperson123
Failing mat
3) which angle is included between nm and pn? look at the first picture.
a) ∠nmn
b) ∠nmp
c) ∠mpn
d) ∠pnm
4) in the diagram, δmtd≅δslg. which statement is true. look at the second picture.
a) ∠t≅∠l
b)mt≅gl
c) td≅sg
d) ∠m≅∠g
5) what additional information is needed to prove the triangles are congruent by the sas postulate? look at the third picture.
a) ab≅ad
b)∠bac≅∠dac
c)∠cba≅cda
d)ab ⊥ ad
6) given ∠d≅∠t, ∠e≅∠u, de≅ut
name the postulate or theorem you can use to prove the triangles congruent. look at the fourth picture.
a) asa postulate
b)aas theorem
c)sss postulate
d)sas postulate
7) in δfkr, which side is included between ∠f and ∠r?
a) ar
b)∠k
c)rf
d)fk
8) in the paper airplane shown, abcd≅efgh, m∠b= m∠bcd= 90, m∠bad=125. find m
a) 125
b)65
c)55
d)90
Answers: 3
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Given: ab ≅ cd and ad ≅ bc prove: abcd is a parallelogram. statements reasons 1. ab ≅ cd; ad ≅ bc 1. given 2. ac ≅ ac 2. reflexive property 3. △adc ≅ △cba 3. ? 4. ∠dac ≅ ∠bca; ∠acd ≅ ∠cab 4. cpctc 5. ∠dac and ∠bca are alt. int. ∠s; ∠acd and ∠cab are alt. int. ∠s 5. definition of alternate interior angles 6. ab ∥ cd; ad ∥ bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3? triangle angle sum theorem sas congruency theorem sss congruency theorem cpctc
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Failing mat
3) which angle is included between nm and pn? look at the first picture.
3) which angle is included between nm and pn? look at the first picture.
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