Where is the second clue to get the box?

How big is 500000 square miles in square km? What is a geometry enlargement? How do you factor the perfect square trinomial? Does mt stand for meters? Which postulate or theorem verifies the congruence of these triangles? How do you find surface area and volume of nets? What is a polygon whose vertices are on a circle and whose other points are inside the circle? How do you convert squares into square meters? How do you find the angles of a trapezoid if you have all side lengths? What is the difference between a histogram and polygon? How do you find the area of each face on an equilateral triangle? What is made by the y and x axis? How many square feet for 0.25 acre? How big is red square? Two noncollinear rays with a common endpoint? In triangle abc variable x is the centroid if cw equals 15 what is cx and xw? What is the sum of interior angle measure of a 20-gon? What shape has 6 obtuse angles? Who was first to use the pi symbol? What is the equation for a semicircle?