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evablogger [386]

2 years ago

9

The vertices of a triangle are A(7, 5), B(4, 2), and C(9, 2). What is m°

1 answer:

natulia [17]2 years ago

4 0

Slope of AB = (5 - 2)/(7 - 4) = 3/3 = 1
slope of BC = (2 - 2)/(4 - 9) = 0

m<span>∠ABC = arctan 1 = 45°

</span>

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