The second term of an arithmetic sequence is 7, the sum of the first four terms in the arithmetic sequence is 12, find the first
term and the common difference
1 answer:
You might be interested in
easy way...
multiply Base x height (for both)
30 inches x 12 inches = 360 in
16 in. x 12 in = 192 in.
then add both
360 + 192 = 552
A=552 in²
