Question

Take two congruent copies of a triangle. By paper folding, investigate if they have equal altitudes. Do they have equal medians? What can you say about their perimeters and areas?​

Answer 1

Answer:

Thomas Edison

Thomas Edison and the “first” light bulb

This discovery marked the beginning of commerically manufactured light bulbs and in 1880, Thomas Edison's company, Edison Electric Light Company begain marketing its new product. Original carbon-filament bulb from Thomas Edison.