Question

two angles of a triangle XYZ are 30⁰ and 80⁰ . Find the third angle ? ​

Answer 1

Answer:

3rd angle is 70 degree

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Let The Angles Be XYZ

X = 30°

Y = 80°

Z= ?

$\sqrt{x} + \sqrt{y} + \sqrt[]{z} =180 {°}^{}$

$30° + 80° + \sqrt[]{z} = 180°$

$110° + \: \sqrt[]{z} = 180°$

$\sqrt[ ]{z} = 180° - 110°$

$\sqrt[]{z} = 70°$

So, Third Angle = 70°