Answer:
10
Step-by-step explanation:
The sum of all the interior angles of a pentagon is 540°
So...
540 = 12x + 7x + 16x+ 9x + 10x
Combine like terms:
540 = 12x + 7x + 16x+ 9x + 10x
540 = 54x
Divide by 54 on both sides:
540 = 54x
/54 /54
10 = x
Hope this helps :)
Answer:
it looks like its negative 2
Answer: B : 12+3=15
Step-by-step explanation:
A sum is the answer of an addition problem
Something along the lines of this...
GED is 43
CEB and AED is 90
GEB and FEA is 47
hope this helps!
