Respuesta :

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Answer:

The answer are

  1. 60⁰
  2. 97⁰
  3. 46.78⁰

Step-by-step explanation:

In terms of question no.1,

2x + x + x + 2x = 360⁰

or,6x=360⁰

or,x=360⁰/6

HENCE x = 60⁰##

In terms of question no.2,

( x + 10 )⁰ + x + x +59⁰ = 360⁰

or, 3x + 69⁰ = 360⁰

or, 3x = 360⁰ - 69⁰

or, x = 291⁰/3

HENCE x = 97⁰##

In terms of question no. 3,

(4x + 6)⁰+ 5x + 113⁰ + 90⁰ = 540⁰

or,9x + 119⁰ = 540⁰

or,9x = 540⁰ - 119⁰

or,x = 421/9

HENCE x = 46.78⁰