PLEASE HELP WILL MARK BRAINLIEST The coordinates of three vertices of a rectangle are (0,4), (3,4) and (0,0)

a. What are the coordinates of the four vertices
b. What are the area and perimeter of the rectangle

a) (3,0)

b)

Step-by-step explanation:

For part a)

Just sketch the coordinates on a piece of paper and map them out i have attached an image the 4th point is (3,0) for the figure to be a rectangle

For part b)

Length is 3 units of the rectangle and breadth is 4 units

so,

Area= Length x Breadth

Area= 3 x 4

Area=12

and Perimeter= Sum of all sides

The rectangle has 2 Lengths and 2 Breadths which means

Perimeter=2L + 2B

Perimeter=2(3)+2(4)

Perimeter=6+8

Perimeter=14

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the answer is 9 because the question is telling how much it be together.