Acircular swimming pool is 21 feet in diameter. what is the circumference of the swimming pool

Can you draw an isosceles triangle with only one 80 degree angle?

Given the graphed function below which of the following orders pairs are found on the inverse function

Darragh has a golden eagle coin in his collection with a mass of 13.551\,\text{g}13.551g. an uncirculated golden eagle coin has a mass of 13.714\,\text{g}13.714g.