Answer:
7.14285714286
Step-by-step explanation:
x = 6
let 'x' = BD
x/3 = 12/x
x² = 36
x =
P= 2 (a+b)
4.25
u add 3 1/4 and 1
4
because The square root of 16 is 4, which is a rational number.
