therenfairy
therenfairy therenfairy
  • 16-05-2017
  • Mathematics
contestada

What is the area of this triangle?
a) a=1/2(y3-y2)(x3-x1)
B) a=1/2(y3-y1)(x3-x1)
C) a=1/2(y2-y1)(x3-x1)

What is the area of this triangle a a12y3y2x3x1 B a12y3y1x3x1 C a12y2y1x3x1 class=

Respuesta :

irspow
irspow irspow
  • 16-05-2017
The area of a triangle is:

A=hb/2 where h=height and b=base

We can let the "height" be the horizontal magnitude, (x3-x1)

And the base would then be the vertical magnitude, (y2-y1)

So the area is:

A=(1/2)(y2-y1)(x3-x1)
Answer Link
Sky50923
Sky50923 Sky50923
  • 31-12-2020

Answer:

D. A = [tex]\frac{1}{2} (y_{2} -y_{1} )(x_{3} -x_{1} )[/tex]

Step-by-step explanation:

This was correct on plato:)

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