ACT MATH STUDY GUIDE QUESTIONS
AND ANSWERS
Degrees in triangle - Answer - 180
Degrees in circle - Answer - 360
Area of triangle - Answer - 1/2x base x height
Area of circle - Answer - pi x radius to the second power
Circumference of circle - Answer - 2 x pi x radius OR pi x diameter
Area of rectangle - Answer - Base x height
Area of parallelogram - Answer - Base x height
Area of square - Answer - side to the second power
Pythagorean Theorem - Answer - a to the second power plus b to the second equals c to the second
power. (C=hypotenuse, only true for right triangles)
Slope-intercept form of a line: - Answer - y=mx + b
Point slope form of a line: - Answer - y - y1 = m (x - x1)
AND ANSWERS
Degrees in triangle - Answer - 180
Degrees in circle - Answer - 360
Area of triangle - Answer - 1/2x base x height
Area of circle - Answer - pi x radius to the second power
Circumference of circle - Answer - 2 x pi x radius OR pi x diameter
Area of rectangle - Answer - Base x height
Area of parallelogram - Answer - Base x height
Area of square - Answer - side to the second power
Pythagorean Theorem - Answer - a to the second power plus b to the second equals c to the second
power. (C=hypotenuse, only true for right triangles)
Slope-intercept form of a line: - Answer - y=mx + b
Point slope form of a line: - Answer - y - y1 = m (x - x1)