How can we prove sum of 3angles in a triangle is 180 degree
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first name the angles. then measure the angles .for ex angle abc=50 degree
angle acb=80 degree and angle cab=50 degree.then add the angles and the result will be 180 degree
a
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c ------ b
triangle a,b,c
angle abc=50 degree
angle acb=80 degree
angle cab=50 degree
=50 degree + 80 degree+ 50 degree = 180 degree
angle acb=80 degree and angle cab=50 degree.then add the angles and the result will be 180 degree
a
/\
/ \
/ \
c ------ b
triangle a,b,c
angle abc=50 degree
angle acb=80 degree
angle cab=50 degree
=50 degree + 80 degree+ 50 degree = 180 degree
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