Triangle ABC

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Set 1.4
David Cohen
Question 34

Believe it or not, I understand part (c) and the area formula provided. Can you set up parts (a) & (b)?
I want to show the math work for 34.

20210810_200015.jpg
 
a)
calculate tthe area of triangle ABC

A(3,4)
B(8,5)
C(7,8)

tthe area of triangle ABC:

area=(1/2)AB*BC where AB is distance between points A and B, and BC is distance between points B and C

find AB and BC

b)
(1,3)
(4,1)
(10,4)

do same sketch as in a), and apply same procedure to find area
 
a)
calculate tthe area of triangle ABC

A(3,4)
B(8,5)
C(7,8)

tthe area of triangle ABC:

area=(1/2)AB*BC where AB is distance between points A and B, and BC is distance between points B and C

find AB and BC

b)
(1,3)
(4,1)
(10,4)

do same sketch as in a), and apply same procedure to find area

I will show my work here when time allows, most likely on Friday, Sat or Sun.
 

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