A triangle has base 3 1/4 feet and height 2 3/5 feet. Find the area of the triangle as a mixed number.

Question

A triangle has base 3 1/4 feet and height 2 3/5 feet. Find the area of the triangle as a mixed number.

Answer 1

Area = half base times height

= (1/2)(3 1/4)(2 3/5)

= (1/2)(13/4)(13/5

= 169/40 = 4 9/40 square feet

= .5 x 3.25 x 2.6 =3.25 x 1.3 = 4.225 = 4 225/1000 = 4 9/40