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The two angles of a triangle are 30°and 80°. Find the third angle.

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Using the triangle's property- The sum of all the interior angles of a triangle is 180°.$$
A +B+ C= 180°
$$

Given- 

  • A=First angle = 30°
  • B=Second angle = 80°
  • C=Third angle =?

Solution- Putting the values in the formula,$$
30 +80+ C= 180
$$
$$
C= 70°
$$

Therefore, the third angle of the triangle is 70°.

Posted by

Saniya Khatri

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