Which is the formula for finding the sum of the interior angles of a polygon?
o a
180° (n - 1), where n is the number of sides
b. 90° (n - 2), where n is the number of sides
c. 90° (n - 1), where n is the number of sides
od. 180° (n − 2), where n is the number of sides
next

Ba rock that formed 1,400 million years ago!

Answer(say);

The answer is sub saharen africa

Are there choices? it would really me you me to answer this question : ). if not then here is a list of rivers that i got online, i will leave a link so that it isn't copyright : ). irrawaddy river, salween river, chao phraya, mekong, and read rivers.   and here is the link: if this , let me know, and mark brainliest, s much : )dear i hope this is not against your rules, i am just trying to my good friend billystofan : )