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

Which religious group is found in the western parts of eastern europe? a. roman catholics b. eastern orthodox c. muslims d. protestants
if y=3x 2 find the value of y when x=-3
local governments use taxes to oversee the cleaning of streets and public sidewalks. true or false
write the equation of the line that passes through (4, 2) and is parallel to the line y = 2x – 1.
cuanto vale el dolar en moneda peruana
All of the following are immune disorders except: a. arthritis b. asthma c. hemophilia d. multiple sclerosis
when is a caesarian section typically performed?
it took 50 joules to push a chair 5 meters across the floor.with what force was the chair pushed
In today's workplace, just about everyone lies to take care of themselves
Expand these: a. (x + 2)(x - 2) b. (y - 4)(y + 2)