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23-03-2021
Mathematics

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Pls help question is in the picture

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Gphakathi Gphakathi

23-03-2021

Answer:

A triangle has angle’s that add up to 180

[tex]180 - 135 = 45 \\ \\ 4x + 5x = 45 \\ 9x = 45 \\ x = \frac{45}{9} \\ x = 5[/tex]

[tex]4x = 5 \times 4 = 20 \\ [/tex]

[tex]5x = 5 \times 5 = 25[/tex]

Angle A is then 25°

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