Answer:
![\huge\boxed{\sf Option \ C}](https://img.qammunity.org/2021/formulas/mathematics/middle-school/f1v59xqtpt9gujoomii44f23wgbpxk8jzw.png)
Explanation:
Area of Triangle =
![\sf (1)/(2) (Base)(Height)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/j3zm1zs4zlttn5491tzgnli0d9cd1a2e5l.png)
Where Base = 12 ft, Height = 2 ft
Area of Triangle =
![\sf (1)/(2) (12)(2)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/970u1ice38pqxccreikbgggfrdemc7beyv.png)
Area of Triangle = 12 ft²
Remember that, Area of Triangle is always half of the Area of Rectangle.
So, Since the Area of Rectangle is 24 ft², the Area of Triangle is 12 ft² (It's Half)
Hope this helped!
~AnonymousHelper1807