The third and second answer
Answer:
if you looking for estimate, it is about 138
without estimate, 137.5
Step-by-step explanation:
Base: 6
height 12
because 6+12 is 18 and 18 times 2 is 36
The measurement of all interior angles of any polygon is 360 degrees
Answer:
x=-1/2
Step-by-step explanation:
using almighty formula
x= -b+or-√b²-4ac/2a
x=-1+ or -√-1+4(1)(1/4) divided by 2(1)
x=-1+ or -√-1+1 divided 2
x=-1+0 divided by 2
x=-1/2