Question

(3x - 20°

(3x – 20)°
4xº
4xº
(3x – 20°
(3x – 20)
What is the value of x?

Answer 1

Explanation:

this is given that the figure is a hexagon

let give a name to the given hexagon be ABCDEF

Angle a + B + C + D = 720 ( Ls sum pro. of hexagon)

3x-20+3x-20+4x+4x+3x-20+3x-20 = 720

3x+3x+3x+3x+4x+4x-20-20-20-20 = 720 (rearranging)

20x - 80 = 720

20x = 720 + 80

x=800/20

x = 40 degrees

3x-20 = 100

4x = 160

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