State and prove following theorems:
(i) V.O.A. (ii) A.I.A. (alt. Interior Angle) and Its
converse.
(iii) Corresponding Angles and Its converse.
Only answer if you know .
Correct answer - BRAINLIEST
Incorrect answer - REPORTED .
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Class 9.
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Answers
Answered by
1
Answer:
alternate interior angles theorem
Step-by-step explanation:
So, in the figure below, if k∥l , then ∠2≅∠8 and ∠3≅∠5
.
Two parallel lines cut by a transversal n, with angles labeled 1 through 8
Proof.
Since k∥l
, by the Corresponding Angles Postulate ,
∠1≅∠5
.
Therefore, by the definition of congruent angles ,
m∠1=m∠5
.
Since ∠1
and ∠2
form a linear pair , they are supplementary , so
m∠1+m∠2=180°
.
Also, ∠5
and ∠8
are supplementary, so
m∠5+m∠8=180°
.
Substituting m∠1
for m∠5
, we get
m∠1+m∠8=180°
.
Subtracting m∠1
from both sides, we have
m∠8=180°−m∠1 =m∠2
.
Therefore, ∠2≅∠8
.
You can prove that ∠3≅∠5
using same method
Answered by
2
Answer:
VOA IS vertical opposite angle
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