Square ABCD has coordinates A(-3,7), B(2,7), C(2,2), and D(-3,2). What is the area of the square
2 answers:
Answer:
Area = 25
Step-by-step explanation:
The area of a rectangle is calculated by multiplying the base by the height. But being a square all sides are equal. Since the length of the sides of all squares is the same, you can multiply it by itself. It is enough to know how much one side measures to determine the area by multiplying that side by itself.
If we plot the points or pairs ordered in the real plane, as shown in the attached graph, we can see that the measure of each side is 5.
So the area is 5 x 5 = 25
Hope this helps!
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Here are the answer: a) R = 3.6 and b) A = 2
Step-by-step explanation:
Given,
R is inversely proportional to A.
R ∝
so, R = -------eq 1 where k is any constant
To find the values of a) R when A = 5 and
b) Value of A when R = 9
Now,
Putting R = 12 and A = 1.5 in eq 1 we get,
12 =
or, k = 12×1.5 = 18
From eq 1 we get,
R = --------- eq 2
Now,
a) Putting A= 5 in eq 2 we get,
R = = 3.6
b) Putting R = 9 in eq 2 we get
R =
or, A = = 2