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Tema [17]
3 years ago
12

Pls help question is in the picture

Mathematics
1 answer:
zavuch27 [327]3 years ago
3 0

Answer:

A triangle has angle’s that add up to 180

180 - 135 = 45 \\  \\ 4x + 5x = 45 \\ 9x = 45 \\ x =  \frac{45}{9}  \\ x = 5

4x = 5 \times 4 = 20 \\

5x = 5 \times 5 = 25

Angle A is then 25°

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