if in the adjoining figure L parallel m and angle 2 is equal to 125 degree find the measure of angle 8. is angle 8 is equal to angle 2? ,,,,,,,,,,,,,,,,,, Jo iska answer phle defa step by step,,usko 5
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2
Answer:
Yes angle 8 is equal to 125
Answered by
6
Answer:
5x+7x=180
12x=180
x=180/12
x=15
∴∠1=5x=5×15=75
o
∠2=7x=7×15=150
o
We know that,
∠2+∠3=180
o
......[∵ linear pair]
150
o
+∠3=180
o
=∠3=180−105
∠3=75
o
∠3+∠6=180
o
......[∵ the sum of the consecutive interioi angles is 180
o
]
75
o
+∠5=180
o
∠6=180−75
∠6=150
o
Now ∠6=∠8=150
o
.....[∵ vertically opposite angles are equal]
∴∠1=75
o
,∠2=105
o
,∠=75
o
and ∠8=105
o
.
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