Trigonometry in Composite Shapes

A square has a side length of 4. Calculate the diagonal length of the square.

• 4

A square has a diagonal length of 12. Calculate the side length of the square.

• 6

A rectangle has a height of 9 and a length of 5. Calculate the diagonal length of the rectangle.

A rectangle has a diagonal length of 13 and a height of 12. Calculate the width of the rectangle.

Assume triangle ABC is an equilateral triangle with BD serving as the altitude. If side length BC = 5, calculate side length AB.

• 5

Assume triangle ABC is an equilateral triangle with BD serving as the altitude. If side length BC = 5, calculate side length DC.

Assume triangle ABC is an equilateral triangle with BD serving as the altitude. If side length BC = 5, calculate side length BD.