How do you use Heron's formula to determine the area of a triangle with sides of that are 4, 6, and 8 units in length? Trigonometry Triangles and Vectors Area of a Triangle 1 Answer Sasha P. Mar 15, 2016 #P = 3sqrt15 # Explanation: #s = (a+b+c)/2# #s = (4+6+8)/2 = 9# #P = sqrt(s(s-a) (s-b)(s-c))# #P = sqrt(9*(9-4)(9-6)(9-8)) = sqrt( 9*5*3 ) = 3sqrt15 # Answer link Related questions How do you find the area of a triangle with 3 sides given? What is the area of a equilateral triangle with a side of 12? How do you find the area of a triangleABC, if #angleC = 62^@#, #b = 23.9# , and #a = 31.6#? How do you find the area of a triangleGHI, if #angleI = 15^@#, #g = 14.2# , and #h = 7.9#? What is Heron's formula? When do you use Heron's formula to find area? How do you find the area of a triangle ABC, if #a = 23#, #b = 46# , and #c = 41#? Question #f2e4c How do you find the area of the triangle given c= 4, A= 37 degrees, B= 69 degrees? How do you find the area of the triangle given C=85 degrees, a= 2, B= 19 degrees? See all questions in Area of a Triangle Impact of this question 1368 views around the world You can reuse this answer Creative Commons License