prove that the sum of measure of angles of triangle is 180
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<1 +<2 +<3= 180.......to prove
drw xy ll to bc through a
xy ll bc and ab is transversal
therfore , <4=< 2............i) alternate angles
xy is ll to bc and ac is transversal
therfore, <5 =<3......2)alternate angles
but, <4 +<1 +< 5 = 180........by liner pair
from i) and 2)
<2 + <1 +<3 = 180
hence it is proved that sum of all angles of triangle i s 180
if u think it is right then give brainllest mark plzplzpl
drw xy ll to bc through a
xy ll bc and ab is transversal
therfore , <4=< 2............i) alternate angles
xy is ll to bc and ac is transversal
therfore, <5 =<3......2)alternate angles
but, <4 +<1 +< 5 = 180........by liner pair
from i) and 2)
<2 + <1 +<3 = 180
hence it is proved that sum of all angles of triangle i s 180
if u think it is right then give brainllest mark plzplzpl
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HOPE THIS WILL HELP AND PLZ MARK THIS AS BRAINLIST
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