Question

j. If two angles of a triangle are 50° and 60°, then the third angle is
i. 60°
ii. 40°
III. 90°
iv. 70°​

Answer 1

Answer:

options 4

70

for example

for triangle

ABC

Angel a +angle b angle c = 180

50 +60+X =180

110+X = 180

X= 180-110

X=70