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Sticky Note
In Right triangle with 90° & 30°, the third angle is?
  1. 45°
  2. 60°
  3. 75°
  4. 30°
Explanation

In a triangle, the sum of all angles is 180°.

Given:  

- One angle = 90° (right angle)  

- Another angle = 30°

So, the third angle = 180° − 90° − 30° = 60°


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  2. 2(LW+LH+WH)
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  4. 2(L+W+H)
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