Ipotenuza un triunghi dreptunghi isoscel este de 20 dm .Calculați aria
1 answer:
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Answer:
5
Step-by-step explanation:
slope = rise/run = (7-y)/(-5-(-2)) = -2/3
3(7 -y) = -2(-3) . . . . . multiply by 3(-3)
7 -y = 2 . . . . . . . . . . . divide by 3
7 -2 = y = 5 . . . . . . . . add y-2
The value of y is 5.
