lockshernostaw
lockshernostaw lockshernostaw
  • 01-12-2017
  • Mathematics
contestada

What is the area of a triangle whose vertices are R(−4, 2) , S(1, 2) , and T(−5, −4) ?

Respuesta :

zizoux07p0ac3m
zizoux07p0ac3m zizoux07p0ac3m
  • 01-12-2017
I will solve it using vectors
vector(SR)=(-5,0)
vector(ST)=(-6,-6)area equals half the cross product of these vectors
A = 1/2(30-0)=15 square units

Answer Link

Otras preguntas

The _____ Party advocated for labor reform.
How do you summarize a passage? borrowing the exact words from the source restating a section of text from the source expressing the main ideas of the passage i
A car with mass 615 kg drives through an Arby's parking lot. What is the weight of the car? Isn't it just w=mg So, w=615 kg x9.8 m/s^2 w= 6,027 N
how is perspiration related to recovery after exercise?
After the War of 1812, the first expansionist goal of the republic was the acquisition of
If you grow 738 pumpkins and sell 481, how many do you have left? A. 481 B. 1,209 C. 690 D. 257
After the War of 1812, the first expansionist goal of the republic was the acquisition of
Jews were severely persecuted following the fall of this nation to the German army.
the basic requirements for industry growth are capital natural resources true or false
what layer, along with the crust, forms the solid tectonic plates