In the following, find the marked unknown angle: - Vidyadip

Question

In the following, find the marked unknown angle:

✓

Answer

Since, sum of all angles of triangle = 180°
Hence, 70° + 72° + z = 180°
⇒ 142°+ z = 180° ”
⇒ z = 180° - 142°
z = 38°

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