Question

a N 4. Find the value of the unknown exterior angle x in the following diagrams: (NCERT) (Homework i, ii, iii) SO X - _.7.0150° (Bus lateriorangle. theolin) X = 120 70" (1) 28
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Answer 1

Answer:

here is the answer

\angle BCA+\angle CBA\ =\ x {an exterior angle of a triangle is equal to the sum of the opposite interior angle }

60\degree+60\degree\ =\ x

120\degree=xe answer:-

Step-by-step explanation:

Answer 2

Answer:

60° + 60° + x = 360°.

120° + x = 360°.

x = 360° - 120°.

x = 240°.

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