Detailed SSAT Tested Points
Geometry usually makes up about 20-25% of SSAT Upper Level math. Students need formulas, diagram reading, and spatial reasoning.
Angles
- Complementary
- Supplementary
- Vertical angles
- Parallel line angles
Triangles
- Area
- Perimeter
- Pythagorean theorem
- Similar triangles
- a² + b² = c²
Quadrilaterals
- Squares
- Rectangles
- Parallelograms
- Trapezoids
Circles
- Circumference
- Area
- A = πr²
- C = 2πr or C = πd
Coordinate Geometry
- Distance on coordinate plane
- Midpoint
- Slope
Solid Geometry
- Cubes
- Rectangular prisms
- Surface area
- Volume
Core Knowledge
Angles: complementary = 90°, supplementary = 180°, vertical angles are equal.
Triangles: interior angles add to 180°; right triangles may use a² + b² = c².
Circles: area = πr² and circumference = 2πr.
Solids: rectangular prism volume = length × width × height.
Practice
- An angle is 35°. What is its supplement?
- A right triangle has legs 6 and 8. What is the hypotenuse?
- A circle has radius 4. What is its area in terms of π?
- A rectangle has length 11 and width 5. What is its perimeter?
- What is the midpoint of (2, 8) and (10, 4)?
- A box measures 3 by 5 by 7. What is its volume?
Show Answer Key
1. 145°.
2. 10.
3. 16π.
4. 32.
5. (6, 6).
6. 105 cubic units.