Geometry help please,

Ineed asap.i cant understand this question i need someone to me right away

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*