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09-03-2021
Mathematics

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Shown is a triangle.
The three angles add up to give 180°
(a) Write down an equation for this information
(b) Solve your equation to find x

Shown is a triangle The three angles add up to give 180 a Write down an equation for this information b Solve your equation to find x class=

Respuesta :

09-03-2021

a)

x + 2x + 63=180

b)

3x + 63 = 180

3x= 117

x= 39

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