Answer:
B
Step-by-step explanation:
if we match the two informations we can say that the triangle is isosceles
Answer:
I believe the answer is 83.17
I hope this helps! ^.^
Answer:
B. 
Step-by-step explanation:
We all suck at math... just lmk if you need more help...
Answer:
the number of weeks is unknown the A represents the number of weeks so the answer is 100a
Answer:
13.636
Step-by-step explanation:
The area can be found using Heron's formula:
A = √(s(s-a)(s-b)(s-c))
where s=(a+b+c)/2.
For the given triangle, ...
a=9, b=4, c=12, s=(9+4+12)/2 = 12.5
A = √(12.5(3.5)(8.5)(0.5)) = √185.9375 ≈ 13.636
The area of the triangle is about 13.636 square units.