limelight11
11.12.2020 •
Mathematics
Use slope to determine if lines AB and CD are parallel, perpendicular, or neither.A(-9,-12)
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Ответ:
Equation
A = (b1 + b2)*h /2
Givens
b1 = 5 feet
b2 = 7 feet
h = 3 feet
Sub and solve
Area = (5 + 7)*3/2
Area = 12*3/2
Area = 36/2
Area = 18 Square feet.