Question

Question No. 17: What will be the value of Z 380 480​

Answer 1

Answer:

z = 38

refer to the attached picture...

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Answer 2

Answer:

38°

Sum of all the angles in a triangle = 180°

Therefore according to the above diagram,

70° + 72° + z = 180°

=> 142° + z = 180°

=> z = 180° - 142°

=> z = 38°