Question

One angle of a right-angled triangle is 60 grades . Find the other angle in degree.​

Answer 1

Explanation:

We know the angle sum of a triangle is 180° so

• x + 90° +60°

= 180°

• x + 150°

= 180°

⇒x = 30°

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Answer 2

30°

Explanation:

This right triangle has :

1. right angle (90°)
2. One angle of 60°

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Solving :

We know the angle sum of a triangle is 180°.

⇒ x + 90° + 60° = 180°

⇒ x + 150° = 180°

⇒ x = 30°