# Math Help - area of triangle

1. ## area of triangle

A triangular parcel of land has sides of lengths 730 feet, 550 feet and 1143 feet.

If land is valued at 2300 per acre (1 acre is 43,560 feet ), what is the value of the parcel of land?

2. You may use the formula to find the ares of the triangle A= sqr(p(p-a)(p-b)(p-c)). p is the semi perimeter p=1/2( a+b+c ), a,b,c are the sides of the triangle.