Question

Prove that sum of angles of hexagon is 720°.​

Answer 1

Step-by-step explanation:

Let ABCDEF be the hexagon, join vertex A with all other vertices.

4 triangles are formed numbered as 1,2, 3,4.

as we know the sum of all angles in a traingle is 180 .

here there are four

=> 4*180 = 720

hence proved

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Answer 2

Step-by-step explanation:

Sum of s, p, a, x= 180° {straight angle}

Sum of r, q = 180°{straight angle}

Sum of c, b =180°{straight angle}

Sum of z, y =180° {straight angle}

So,

Sum of angles of hexagon= 180+180+180+180

(L.H.S)

720°=720°

L.H.S = R.H.S