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

How many minutes are in 36 hours?
How many minutes are in 36 hours?
What are two different ways to describe and label the layers of the Earth?
When was William Shakespeare born
Nadine can send or receive a text message for 15 cents or get an unlimited number for 5 dollars. Write and solve an inequality to find how many messages she can
Solving systems by elimination: 2x + 4y = -4 3x + 5y = -3 Please show me your work so I can do the rest myself. Thanks!
What are two different ways to describe and label the layers of the Earth?
A pound of seedless red grapes costs $2.75. Drew must spend less than $9.35 on a bunch of seedless red grapes.Inequality:Solution:Interpretation:
A pound of seedless red grapes costs $2.75. Drew must spend less than $9.35 on a bunch of seedless red grapes.Inequality:Solution:Interpretation:
When was William Shakespeare born