## anonymous one year ago What is the area of the equilateral triangle? Round to the nearest square centimeter. http://static.k12.com/calms_media/media/1579000_1579500/1579374/1/2d11bb360066673f6944e7b48c887fd772b22a4f/MS_IMC-150126-130913.jpg

1. sweetburger

|dw:1433337135546:dw| use the pyathagorean to solve for the missing side which will become your height in the area equation later

2. anonymous

Area = $\sqrt{3}/4(a^2)$

3. anonymous

27.71 is it but you can round so =)

4. anonymous

use sinus 60 degrees to find the area. All the sides are the same! So 8 multiplied by 8 then multiplied by sinus (60) then divide by 2 =27.71281292

5. anonymous

so basically when its rounded it would be 28 or?

6. anonymous

cause it only lets me put in 3 numbers

7. anonymous

somethin like that

8. anonymous

im confused

9. anonymous

Why? xD Just write 28

10. anonymous

ok ok i was gonna do that xD