Octagon - 135 degrees
Decagon - 144 degrees
135 / 144 * 100% = 93.75%
Therefore it is 6.25% less
source 1728.com/polygon.htm
Answer:
26
Step-by-step explanation:
Answer:
A.
Step-by-step explanation:
4y = 12x + 16
3x = y - 4
=>
y = 3x + 4
using that in the first equation
4(3x+4) = 12x + 16
12x + 16 = 12x + 16
=> both lines/equations are identical, so they have infinitely many solutions.
Answer:
the base is 18cm
Step-by-step explanation:
A=1/2*bh
180=1/2*(20)b
180=10b
b=18
You're welcome :)
