Question

Show that the angles of an equilateral triangle
are 60° each
​

Answer 1

Answer:

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

60o

3x = 180

⇒x = 60

Hence the answer.

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Answer 2

Answer:

By angle sum property we know that the sum of all the angles of a triangle is 180

By angle sum property we know that the sum of all the angles of a triangle is 180We know that all the sides of a triangle are equal.

By angle sum property we know that the sum of all the angles of a triangle is 180We 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.

Let each angle be x.x+x+x=180

Let each angle be x.x+x+x=18060o

Let each angle be x.x+x+x=18060o3x = 180

Let each angle be x.x+x+x=18060o3x = 180⇒x = 60

Let each angle be x.x+x+x=18060o3x = 180⇒x = 60Hence the answer.