SOLUTION: 1. A triangle has the following three sides measured in feet: 26, 28, and 24. Calculate the perimeter of this triangle, the area enclosed by the triangle, and the angles made

Algebra ->  Triangles -> SOLUTION: 1. A triangle has the following three sides measured in feet: 26, 28, and 24. Calculate the perimeter of this triangle, the area enclosed by the triangle, and the angles made      Log On


   

Question 630359:
1. A triangle has the following three sides measured in feet: 26, 28, and 24. Calculate the perimeter of this triangle, the area enclosed by the triangle, and the angles made at the vertices of the sides.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter = 26+28+24 = 78 feet

Area: use Heron's formula

Angles: Either use law of cosines to find the cosine of each angle, or use where theta is the angle between sides a and b.