How many square feet in a 14 foot wide octagon?

What are uses of NaHCO3? How did the leaf get its name? Can an AB positive blood type and a o positive blood type a produce an o positive child? How much of the water in the water cycle enters the atmosphere? What is an open ground? In genetics what does complementary DNA mean? What did the rest of the world do to help mt st helens? What is plastic bags made out of? How do you raise tadpoles? Is tenacious an adjective? What part of the rock cycle is occurring only on the Earth's surface? How many core electrons in a silicon? How does Advil help plants? Is measured using the Enhanced Fujita scale droughts floods hurricanes tornadoes? Boiling an egg is a chemical or physical change? Why are DNA acidic in nature? Effects of impurities and pressure on melting point of water? WAS Measurement from the primitive era to the mi stern time? How much energy does it require to move the electron out of the atom completely from 1 to infinity according to Bohr? How many moles of urea 60.0 g mol must be dissolved in 100.0g of water to give a 2.5 molal solution?