avitalsobel7 avitalsobel7
  • 16-05-2021
  • Mathematics
contestada

pls show steps and formula

pls show steps and formula class=

Respuesta :

CouragePabai
CouragePabai CouragePabai
  • 16-05-2021

Step-by-step explanation:

the correct formula for this is the heron's formula

which states that s=√s(s-a)(s-b)(s-c). Where s is a+b+c all divided by 2

s=√(13.5-12)(13.5-9)(13.5-6)

s=√(1.5)(4.5)(7.5)

s=√50.625

s= 7.11 or 7 to the nearest square unit

Answer Link

Otras preguntas

Two glasses together contain 280 mLof water. The first glass contains 80 ml more than the second glass. How much water does the first glass contain?
Solve: –3 + x = 7That is the whole problem so adding words to make this be seen
Two end uses of wool
How do you write this in a algebraic equation: 6 more than 7 times a number is 41
How does the modern era differ from the post-classical era?
if a+b+c=0 for a,b,c then prove a²/bc+b²/ca+c²/ab=3.
Walters savings account has a balance of $273. After 5 years, what will the amount of interest be at 5% compounded quarterly?
how do you calculate the circumference of a circle
how do you calculate the circumference of a circle
Need the values IN FRACTIONS (no mixed numbers or decimals)1. -1/2^12. -1/2^23. -1/2^34. -1/2^45. -1/2^5