What is the inequality shown?

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?