The Pentagirls Problem - Recording Studio. The Pentagirls get to record with the famous Worm. But this really big break starts to break up the band! Primary Content: Flat shapes Secondary Content: Pie charts. The Tree Problem of National Importance - Washington, D.C. Peg and Cat must save the nation from humiliation when the Vice President is stuck atop a monument that's 170 feet or meters tall. Primary Content:Feet / meters Secondary Content: Height / length.