jayzach001 jayzach001
  • 23-01-2020
  • Mathematics
contestada

a) Find the value of x. Show algebraic support.
hint: (n - 2)180

a Find the value of x Show algebraic support hint n 2180 class=

Respuesta :

ujalakhan18
ujalakhan18 ujalakhan18
  • 23-01-2020

Answer:

17

Step-by-step explanation:

The sum of all the angles of this polygon is

(n-2)180

Where m is the number of corners

(5-2)180

3*180

540

Hence

Sum of all angles=540

139+92+71+9x+5x=540

302+14x=540

14x=540-302

14x=238

Dividing both sides by 14

x=17

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