Question

What is the area of the equilateral triangle? Round to the nearest square centimeter.

cm2
http://static.k12.com/calms_media/media/1579000_1579500/1579376/1/69b4235641678bb4a783843e64e765726723b636/MS_IMC-150126-130915.jpg

Answer 1

@iGreen

Answer 2

Use the formula:
1/2abSin(C)

Answer 3

1/2(30)(3)Sin(60)
= 389.71cm^2

Answer 4

which is rounded to 390?

Answer 5

yeah ^^
if the question asks you to round of to the nearest whole number :)