1.

Two angles of a triangle are 40° and 70°. The third angle is _____. (70°, 90°, 80°)​

Answer»

Answer:

70⁰

Step-by-step EXPLANATION:

SUM of all ANGLES of any triangle=180⁰

40+70+x=180⁰

110+x=180⁰

x=180-110

x=70⁰



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