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Arturiano [62]
3 years ago
11

Find the area of the triangle.

Mathematics
1 answer:
vlada-n [284]3 years ago
5 0
Answer: 12 unit^2
==================================
working:
area of triangle = base x height

to find the base:
4 - (-2)
= 4 + 2
= 6

to find the height:
5 - 1
= 4

to find the area fo the triangle:
4 x 6 x 0.5
= 12

I think you should know how I found the base but for the height, picture a perpendicular line going down to the bottom of the triangle, it will be touching (1,1). Therefore, I used 5 from (1,5) minus 1 from (1,1)


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Here, 3x + 2y = 12
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Now, substitute in 2nd, 
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