creeljayden1336
creeljayden1336 creeljayden1336
  • 26-03-2021
  • Mathematics
contestada

i need help lol with this problem pls help pls pls pls

i need help lol with this problem pls help pls pls pls class=

Respuesta :

Luv2Teach
Luv2Teach Luv2Teach
  • 28-03-2021

Answer:

Step-by-step explanation:

For this triangle, since the angle is included between 2 given sides, the formula will be:

[tex]A =\frac{1}{2}ab*ac*sin(angleA)[/tex]

Putting values where they belong:

[tex]A=\frac{1}{2}(10)(12)sin72[/tex]

Do all that in your calculator (in degree mode, NOT radian!) to get

A = 57.1 square cm

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