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  • 10.Practical Geometry(7)
  • Two angles of a triangle are 30∘ and 80∘. Find the third ...
Multiple choice

Two angles of a triangle are 30∘ and 80∘. Find the third angle.

  1. 70∘

  2. 50∘

  3. 60∘

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

( Sum of all the angles has to be 180 , so x + 30 + 80 = 180 or x = 70)

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