What are the minimum, first quartile, and maximum of the data set 55 54 59 61 61 62 68 70 72
1 answer:
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Answer:
The area of the triangle is 7.5 unit²
Step-by-step explanation:
Here we have the coordinates given as
(-3, 5) (-3, 8) and (2, 5)
Let us call the points A = (-3, 5)
B = (-3, 8) and
C = (2, 5)
Therefore the lengths of the sides of the triangle are
AB = a =
AC = b =
BC = c =
Therefore the Area can be derived from Heron's formula which is
A = where s = semi perimeter or (a + b + c)/2
Therefore, plugging the values, we get
s = (3 + 5 + √34)/2 = 6.9155≈6.92
A = = 7.499≈7.5.