Why are 30-60-90 or 45-45-90 right triangles not helpful on quadrantal angles?

Does a square pyramid have at least 2 pairs of parallel edges? How many times is the word church mentioned in the king James bible? What is 2 to the power of 52? How do you write the ordinal number of 7? Why are coefficients used in chemical equations? What is the square root of 38025? How many times did God destroy mankind? How do you write 1500? 8x2xs equals 1. what is s? Is 9000 m bigger than 9 km? If someone what born in 1959 how old would they be? 24.3733 to to 3 decimal places? What is the perimeter of a 20ft garden and 15ft wide in inches? What is 3 10ths as a percentage? How many groups of 0.2 are in 100? Do you feel that students should be proficient in addition before learning multiplication? How much liquid will a tank hold measuring 44 inches wide 44 inches long 48 inches tall? Write five hundredths as a decimal? How do you write one billion two hundred fifty million? How much is 20 percent off 1300?