What is the measure of angle of 1?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]

Select all of the categories that apply for the figure below. quadrilateral, trapezoid, parallelogram, rhombus, rectangle, square