daniellarsanchez daniellarsanchez

11-02-2021
Mathematics

contestada

Solve for x.
6
-10
7
-9

Solve for x 6 10 7 9 class=

Respuesta :

rainbow786 rainbow786

12-02-2021

Answer:

x=7

Step-by-step explanation:

The triangle is right angled meaning that one of the angles is 90⁰.

90+30+(9x-3)=180 (Angle sum property of a triangle)

120+9x-3=180

9x-3=180-120

9x-3=60

9x=60+3

x=63/9

x=7

The angle will be (9×7)-3=60⁰

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