Shapes with 4 sides Explore four-sided shapes looking at straight lines, curved lines and 2D shapes. What are 2D shapes? Explore the properties of 2D shapes from one-sided circles to the eight ...

PHILADELPHIA (WPVI) -- A cold front will bring a few gusty thunderstorms Tuesday before turning less humid Wednesday. TONIGHT: A few spotty showers. Otherwise, it stays cloudy with some drizzle ...