Identify the number of vertices, edges, and faces of the polyhedron. Use your results to verify Euler's formula.

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

Me #1 using vocabulary words, including the word “congruent”, state why the measure of angle d is 120 degrees. #2 what is the measure of angle e and why?

What is the value of the expression below? (81^2)^1/8