Answer:
A = ((a+b)/2)h
Step-by-step explanation:
a and b are base (the top and bottom)
h is height
Show me what u are working on
Just start plugging in numbers for x and y and you will get a line
Answer: A, C, B
Step-by-step explanation:
Because "a" has 8 across
And "c" has 10 across
and "b" has 13 across