solisjuan76 solisjuan76
  • 20-06-2019
  • Mathematics
contestada

What is the area of the triangle 10 13 12

Respuesta :

smmwaite
smmwaite smmwaite
  • 20-06-2019

Answer:

A= 57 sq units

Step-by-step explanation:

To calculate the are area of a triangle we use the Herons formula:

A=√s(s-a)(s-b)(s-c) where a, b and c are the sides of the triangle.

s=(a+b+c)/2

s=(10+13+12)/2

=17.5

A=√[17.5(17.5-10)(17.5-13)(17.5-12)]

A= 57 sq units

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