elijahgrayston1
elijahgrayston1 elijahgrayston1
  • 23-03-2016
  • Mathematics
contestada

Find the area of a triangle with sides a = 5, b = 8, and c = 11. A. 12.46 B. 20.88 C. 32.17 D. 18.33

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 24-03-2016
a = 5, b = 8, c =11.

By Hero's Formula

Area = √(s(s-a)(s-b)(s-c))

Where s = (a + b + c) /2

s = (5 + 8 + 11)/2 = 24/2 = 12

s = 12

Area = √(s(s-a)(s-b)(s-c))

        =  √(12(12-5)(12-8)(12-11))

        =  √(12(7)(4)(1))

       = √336           Use your calculator.

       ≈ 18.33

Option D.
Answer Link

Otras preguntas

Certificates of indebtedness sold to raise long-term funds for a corporation or government agency are known as _____
What are the Respiration effects on the pH?
Allison has 5 times as many baseball cards as football cards. In all, she has 120 baseball and football cards. How many baseball cards does Allison have?
Why does a CPU need Thermal Grease?
You have 60 red socks and 30 blue socks unpaired in a drawer. You can not see the socks, they are in a drawer and it is dark. What is the minimum number of sock
Sam borrows $1,000 from a bank that is charging eight percent simple interest per year. If he pays the loan back in six months, how much interest will he pay?
A car rental agency charges $120 per week plus $.12 per mile driven. How many miles did you drive if the total charge is $162?
A current carrying wire wrapped around an iron ore is called a
Find the volume of the cylinder. Use 3.14 for (π Pi) 34 m on top and 27 m down on the right.
what is a  Propagandist Essay?