Answer:
I got 5.65
Step-by-step explanation:
36/8= 4.5, 4.5 +1.25= 5.65
Answer:
12 in.
Step-by-step explanation:
The perimeter is calculated by adding all up the sides of a shape. In this case, the shape is a square, considering that all the sides are the same measurements. 3+3+3+3 can be simplified to 3x4. This gives you 12 in. as the perimeter.
x^2 - 81 = 0. Add 81 to each side.
x^2 = 81. Take the square root of each side.
x = 9, -9
Answer:
14a^2(2a^6+1)
Step-by-step explanation:
The perimeter is 16.2. Let me know if you need me to show you how I got this