Question

630
Solve for <2.
*2 = [?]°
142
57°123°
please explain as well

Answer 1

Explanation:

the total angles in the triangle are 180°

so,

63° + 57° + ∠2 = 180°

120° + ∠2 = 180°

∠2 = 180° - 120°

∠2 = 60°

#CMIIW