Answer:
B. 24 units
B. (-2 , -1)
D . A(-5, 3), B(-2 , 3), C(3, -3), D(-7, 3)
Step-by-step explanation:
AC = 8, AB = 6
BC = √(8^2 + 6^2)
BC = √100
BC = 10
Perimeter = 10 + 8 + 6 = 24 units
-----------------
Area of triangle = 1/2 bh
4 = 1/2 (4) h
4 = 2 h
h = 2
remaining vertex (-2, -1)
------------
Coordinate points of trapezoid
D . A(-5, 3), B(-2 , 3), C(3, -3), D(-7, 3)
