Answer:
(bd×ac)÷2
108÷2
54cm^2
Step-by-step explanation:
hope u like the ans
The origin is where the y axis and x axis meet which is (0,0)
All of them except the second one .
Given:
The vertices of a quadrilateral ABCD are A(0, 4), B(4, 1), C(1, -3), and D(-3, 0).
To find:
The perimeter of quadrilateral ABCD.
Solution:
Distance formula:

Using the distance formula, we get





Similarly,




And,


Now, the perimeter of the quadrilateral ABCD is:



Therefore, the perimeter of the quadrilateral ABCD is 20 units.
Answer:
x= 5/4
Step-by-step explanation:
isolate the variable by dividing each side by factors that don't contain x.