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

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

What type of context clue helps describe the importance of the Yangtze River? inference restatement comparison definition or explanation

How can you use integer operations to solve real-world problems?

What causes the change in our seasons from an astronomical perspective?

(r/s)(3) please help

WILL GIVE BRAINLIEST TO RIGHT ANSWER!!1

PLEASE HELP Anxiety disorders can become a pathological disorder when feelings of apprehension and fear __. A.are recurrent for less than six months B.are inher

John looked out the window to check the sky find subject and predicate

Select the correct answer. Write an expression to represent the product of 6 and the square of a number plus 15. In your expression, what is the value of the co

If someone has bleeding that does not stop within 5-10 minutes, they should: A. Keep waiting B. run it under cold water C. Go for stitches D. None of these

PLS PLS PLS HELP WILL MARK BRAINLIEST In "St.Lucy's Home for Girls Raised By Wolves", has claudette fully adapted to human society by the end of the story?