Five equations... five unknowns... can you solve the system?
What do you get when you raise a quadratic to the power of a quadratic?
Can you make a tetrahedron whose faces all have the same perimeter?
Can you find a general rule for finding the areas of equilateral triangles drawn on an isometric grid?
By sketching a graph of a continuous increasing function, can you prove a useful result about integrals?
Use graphs to gain insights into an area and perimeter problem, or use your knowledge of area and perimeter to gain insights into the graphs...
Can you find the areas of the trapezia in this sequence?