У А 10. Prove that the sum of the exterior angles of a triangle taken in order is360°, i.e., x + y + z = 360°(Hint: Let int. ZA = aº, int. ZB = bº, int. C=ca+ b + c = 180°By ext. ZProperty x= a + b, y= b + c, z = a + cx + y +z = a + b + b + c + a + c = 2(a + b + c).BZCFig. Q. 10208

У А 10. Prove that the sum of the exterior angles of a triangle ta

1.	У А 10. Prove that the sum of the exterior angles of a triangle taken in order is360°, i.e., x + y + z = 360°(Hint: Let int. ZA = aº, int. ZB = bº, int. C=ca+ b + c = 180°By ext. ZProperty x= a + b, y= b + c, z = a + cx + y +z = a + b + b + c + a + c = 2(a + b + c).BZCFig. Q. 10208
Answer» An idiom is a PHRASE or EXPRESSION that typically presents a figurative, non-literal meaning attached to the phrase; but some PHRASES BECOME figurative idioms while retaining the literal meaning of the phrase. Categorized as formulaic language, an idiom's figurative meaning is different from the literal meaning.