katrielayala67
katrielayala67 katrielayala67
  • 02-03-2021
  • Mathematics
contestada

AND THEN ONCE U HAVE THE ANSWER
FIND THE LENGTH OF AC ​

AND THEN ONCE U HAVE THE ANSWER FIND THE LENGTH OF AC class=

Respuesta :

alisonhilman alisonhilman
  • 02-03-2021

Answer:

AC=18

Step-by-step explanation:

To find AC, use the Pythagorean Theorem.  Since the longest side (hypotenuse) is known, instead of a²+b²=c², the equation will be c²-a²=b².  12²-8²=b²

144-64=b²

80=b²

√80=√b²

8.94427191=b

That is for one of the two right triangles that make up the tent.  Since there are 2 triangles, 8.94427191 only equals BC or AB.  So, multiply 8.94427191×2=17.88854382 to find the length of AC.

AC= 18

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