What is the area of the equilateral triangle that has a side of 10 km?

1 Answer
Mar 8, 2017

#=43.3 KM^2#

Explanation:

Area of an Equilateral Triangle is #=sqrt3/4times a^2# where #a=#Length of the side of the Triangle.

Therefore we can write

Area #=sqrt3/4 times (10)^2#

#=sqrt3times100/4#

#=25times sqrt3#

#=43.3 KM^2#