the temperature outside changed from 85 degrees Fahrenheit to 49 degrees fahrenheit over a period of six days
1 answer:
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Answer:
Option C. 6 square units
Step-by-step explanation:
we know that
Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.
Let
a,b,c be the lengths of the sides of a triangle.
The area is given by:
where
p is half the perimeter
p=
we have
Triangle ABC has vertices at A(-2,1), B(-2,-3), and C(1,-2)
the formula to calculate the distance between two points is equal to
step 1
Find the distance AB
step 2
Find the distance BC
step 3
Find the distance AC
step 4
Find the half perimeter p
p=
Find the area