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1. angle b =42+68=110...... exterior angle theorem
angle a =180-110=70....sum of angle of triangle
2.angle b =60+67=127
angle a=180-127=53
3.angle b =35+90=125
angle a=180-125=55
all has same support similar to first.
mark it as brainly please
angle a =180-110=70....sum of angle of triangle
2.angle b =60+67=127
angle a=180-127=53
3.angle b =35+90=125
angle a=180-125=55
all has same support similar to first.
mark it as brainly please
Senthilkumar06051977:
where it is supplementary
the sum of angle of triangle is supplementary i.e 180
be brainly
OK tq
mark it as brainly
Answered by
2
1.
42°+68°+a=180°.......(sum of all angle of triangle
110°+a=180°. is 180)
a=180-110
=70
A=70°
b=42+68.....(remote interior angle theorem)
=110
B=110°
2.
60+67+a=180....(sum......180)
127+a=180
a=180-127
=53
a=53°
b=60+67.....(remote..... theorem)
=127
b=127°
isn't it useful?
42°+68°+a=180°.......(sum of all angle of triangle
110°+a=180°. is 180)
a=180-110
=70
A=70°
b=42+68.....(remote interior angle theorem)
=110
B=110°
2.
60+67+a=180....(sum......180)
127+a=180
a=180-127
=53
a=53°
b=60+67.....(remote..... theorem)
=127
b=127°
isn't it useful?
tq
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