In a rectangular coordinate system, what is the area of a rectangle

Question

In a rectangular coordinate system, what is the area of a rectangle whose vertices have the coordinates (-4, 1), (1, 1), (1, -3) and (-4, -3)?

A. 16
B. 20
C. 24
D. 25
E. 30

Senthil1981 · Answer

Answer is B: 20

Refer to the diagram, the rectangle is of length 4 and width 5 . So Area = 4*5 = 20

Divyadisha · Answer

Length of side 1= 4+1=5
Length of side 2= 3+1= 4

Area of rectangle= 5*4= 20

B is the answer

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