Find the perimeter of a parallelogram whose base is 8cm and another side is 12cm.

i think is 3 and 6. this took me 10 min to think.hope to and hope that my answer is brainliest.(follow me )

answer: $53750

steps:

list the principal and interest after the n-th year:

n       principal   simple interest

1     12500     375

2     25000     750

3     37500     1125

4     50000     1500

sum: $50000     $3750

total at end of year 4: $53750

it changed by a factor of 2.

the measure of the unknown angle is 7.5