i dont know question 2 and 3
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2
Answer:
hiii buddy ,
2 =266+515-360==180
37+73=02
Answered by
0
Answer:
For question 2 .................
Step-by-step explanation:
given,
angle (pao=bao). ............ 1
angle (qbo=abo). ............ 2
now,
in triangle aob,
angle(oab+bao+aob) = 180 ............. 3
therefore line l//m
so,
angle ( a+ b)=180.
half of angle a and b is,
angle bao and abo
therefore ,
angle (bao+abo)=90. ............ 4
putting eq 4 in 3
90+aob =180
aob =90
hence, triangle aob is right angle triangle
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