carterh166
carterh166 carterh166
  • 01-03-2019
  • Mathematics
contestada

Whats the area of this triangle ​

Whats the area of this triangle class=

Respuesta :

hiho1421
hiho1421 hiho1421
  • 01-03-2019
(8÷2)^2+x^2=8^2
16+x^2=64
x^2=48
x=√48

(8×√48)÷2=27.71...

Answer:27.7in^2
Answer Link
gmany
gmany gmany
  • 01-03-2019

Answer:

[tex]\large\boxed{A=16\sqrt3\ in^2\approx27.7\ in^2}[/tex]

Step-by-step explanation:

It's the equilateral triangle.

The formula of an equilateral triangle wit sides a

[tex]A=\dfrac{a^2\sqrt3}{4}[/tex]

We have a = 8in. Substitute:

[tex]A=\dfrac{8^2\sqrt3}{4}=\dfrac{64\sqrt3}{4}=16\sqrt3\ in^2[/tex]

Answer Link

Otras preguntas

At the beginning of the selection, richard
When making college visits, you may be able to?
What caused colonists to call themselves patriots or loyalists?
Fewer/less Which of the following sentence pairs employs correct terminology
Which of the following is an effect of faster, easier communication? A. People are more apt to question information. B. Lower classes are more likely to lead
What s the best way to understand a movie in an unfamiliar language?
Critical practices to control the amount of solid waste include __
origen y evolucion del sistema solar
Explain how holidays in Rome were celebrated
janna used to go biking every afternoon with her sister, but she has to stop this because she started an after school job. what consequences will janna experien