Question

in a triangle two angles are 43degrees and 57degrees the third angle​

Answer 1

Answer:

90

Step-by-step explanation:

43

+47

______

90

180-90=90

90°

Answer 2

Answer:

Sum of 2 angles = 43°+57°=100°

Third angle= 180°-100°=80°

Sum of three angles =180⁰