Rectangular Area
area = width × depth
- width — Lot or room width
- depth — Lot or room depth
Worked example: A lot is 90 feet wide and 150 feet deep.
- 90 × 150 = 13,500 sq ft
13,500 square feet
Area & Acreage formula
Rectangular Area Formula
area = width × depth
Other Area & Acreage formulas
Rectangular Area practice questions
Every Freehold question shows why the right answer is right — and cites its source.
A rectangular lot measures 110 feet wide by 200 feet deep. What is its area in square feet?
- 20,000 sq ft
- 21,000 sq ft
- 21,500 sq ft
- 22,000 sq ft
Show answer & explanation
22,000 sq ft — Area of a rectangle equals width times depth: 110 ft × 200 ft = 22,000 square feet. To convert to acres, divide by 43,560 square feet per acre.
Source: PSI National Real Estate Exam Content Outline §11 Real Estate Calculations
A rectangular lot measures 85 feet wide by 160 feet deep. What is its area in square feet?
- 15,200 sq ft
- 12,750 sq ft
- 13,600 sq ft
- 6,800 sq ft
Show answer & explanation
13,600 sq ft — Area of a rectangle is width times depth: 85 ft × 160 ft = 13,600 square feet.
Source: PSI National Real Estate Exam Content Outline §11 Real Estate Calculations
A triangular parcel has a base of 220 feet and a height of 150 feet. What is its area in square feet?
- 18,700 sq ft
- 16,500 sq ft
- 33,000 sq ft
- 8,250 sq ft
Show answer & explanation
16,500 sq ft — Triangle area is one-half base times height: 0.5 × 220 ft × 150 ft = 16,500 square feet.
Source: PSI National Real Estate Exam Content Outline §11 Real Estate Calculations
All 14 formulas in one place: Real estate math reference
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