Answer:
12
Step-by-step explanation:
12x12 is 144
The pentagon has a sum of interior angles of 540 degrees.
Therefore,
(4x + 5) + (5x - 5) + (6x + 10) + (4x + 10) + 7x = 540;
26x = 520;
x = 20;
Answer:
20.60000000000
Step-by-step explanation:
<span>the first term 13m has TWO factors 13 and m
the second term 2n has TWO factors 2 and n</span>