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tankabanditka [31]
2 years ago
9

Please answer this fast

Mathematics
1 answer:
cluponka [151]2 years ago
7 0

Answer:

Hi dear, let's solve it

Step-by-step explanation:

step A: x + (3x-1) + 5x = 180

➡️ x+3x-1+5x=180➡️9x-1=180

9x=180+1➡️9x=181➡️x=181÷9➡️x≈20.1

A angle: 20.1

B angle: 59.3

C angle: 100.5

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