woshia15 woshia15

23-11-2021
Mathematics

contestada

The measures of the angles of a triangle are shown in the figure below. Solve for x.
(6x+20)
(7X-10)
105

Respuesta :

lor067ewp lor067ewp

23-11-2021

Answer:

x = 5

Step-by-step explanation:

Angles in a triangle = 180°

(6x + 20) + (7x - 10) + 105 = 180°

13x + 10 +105 = 180

13x + 115 = 180

-115 = -115

13x = 65

x = 65/13

x = 5

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