Directions
For each question, choose the best answer from the four choices given and click it to select it. You may check your answer immediately after selecting — a correct answer is confirmed on the spot with a short animation, and an incorrect answer shows the correct choice along with a full explanation. Use the flag button to mark a question for review, and the eliminator (✕) next to each choice to cross out options you've ruled out. You may answer questions in any order using the question navigator below the header, or by scrolling freely through the module. Submit the module when you are finished or when time expires.
Reference Sheet
A = πr²
C = 2πr
C = 2πr
A = lw
A = ½bh
Trapezoid Area
= ½(b₁+b₂)h
= ½(b₁+b₂)h
V = lwh
V = πr²h
V = (4/3)πr³
c² = a² + b²
(Pythagorean theorem)
(Pythagorean theorem)
The number of degrees of arc in a circle is 360.
The number of radians of arc in a circle is 2π.
The sum of the measures in degrees of the angles of a triangle is 180.
Special right triangles: 30-60-90 (sides x, x√3, 2x) and 45-45-90 (sides x, x, x√2).
The number of radians of arc in a circle is 2π.
The sum of the measures in degrees of the angles of a triangle is 180.
Special right triangles: 30-60-90 (sides x, x√3, 2x) and 45-45-90 (sides x, x, x√2).