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Show that the angles of an equilateral triangle are 60 degree each.

Posted by Aadarsh Kumar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Surjeet Mohanty 5 years, 3 months ago

By angle sum property we know that the sum of all the angles of a triangle is 180° We know that all the sides of a triangle are equal. i.e all the angles of an equilateral triangle are equal. Let each angle be x. x + x + x = 180° 3x = 180° ⇒x = 60° Hence, we proved that all angle of a equilateral angle is 60°

1Thank You

Yogita Ingle 5 years, 3 months ago

By angle sum property we know that the sum of all the angles of a triangle is 180⁰

We know that all the sides of a triangle are equal.

i.e all the angles of an equilateral triangle are equal.

Let each angle be x.

x + x + x = 180⁰

3x = 180⁰

⇒x = 60⁰

Hence the answe

1Thank You

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CBSE > Class 09 > Mathematics