Base = 18 inches.
Given that:
Area = A = 72 square inches
Height = h = 4 inches
Given A=bh.
So,
So, base = 18 inches.
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4 units
B.
C.
2 units
3 units
D.
5 units
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Option C: 3 units is the length of DA
Explanation:
The coordinates of a polygon ABCD are
We need to find the length of DA
The length of DA can be determined using the distance formula,
Let us substitute the coordinates and
in the distance formula, we get,
Subtracting the terms within the bracket, we have,
Squaring the terms, we get,
Adding the terms, we have,
Thus, the length of DA is 3 units.
Hence, Option C is the correct answer.
okay so first we need to multiply 160 on both sides
{18/32(160)=n/160*160 (160 cancels out)}
so once we finish our calculations on the left side we get n equals 90
{n=90}