Area of the triangle = (1/2)*base*height
base = x
height = altitude = x+6
Area of the triangle = (1/2)*x*(x+6) = 108
(1/2)*x*(x+6) = 108
x²+6x-216 =0
(x+18)(x-12)=0
x=-18, or x=12
We can use only positive value, so x=12.
Base =12 cm.
Answer:
-5/7
Step-by-step explanation:
-3 3/7 + 2 5/7
-3 - 3/7 + 2 + 5/7
-3 + 2 + 5/7 - 3/7
-1 + 2/7
-5/7
The circumference would be C. 150.72 meters
It is a emergency # (number) for America and it is the day the twin towers were distroyed