Find the angles of a triangle whose are in ratio 2:7:9.write type of triangle . ​

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1. Answer:

   Right angled Triangle

   20°,70°,90°

   Step-by-step explanation:

   Let required number be x

   2x+7x+9x=180°

   18x=180°

   x=10°

   2x=2×10°=20°

   7x=7×10°=70°

   9x=9+10°=90°

   It’s a right angled Triangle as one of the angles Is 90°.

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