A rectangle has length 8 and width 5. What is its area?: animated lesson
A narrated, step-by-step word problems video lesson with captions. Final answer: Area = 40 square units; perimeter = 26 units.
Video with a synthetic English voice and captions. Pick another language for subtitles in that language, or open the interactive version.
Video narrated by a synthetic voice (Piper TTS, en_US-ljspeech-high voice (LJ Speech dataset, public domain)); the steps come from our maths engine and the answer was checked independently. Download MP4 (0.3 MB) · Captions (WebVTT)
Steps on screen
- 1. The problemWorked exampleA rectangle has length 8 and width 5. What is its area?
- 2. Step by step
- Read the problem
- Area
- Perimeter
- 3. The answer
Area = 40 square units; perimeter = 26 units
- 4. Check
- 40/5 = 8 ✓
Transcript
The problem. Here is the problem: A rectangle has length 8 and width 5. What is its area? Rectangle with length 8 and width 5.
Step by step. Read the problem. L equals 8, W equals 5. Area. A equals L times W equals 8 times 5 equals 40. Perimeter. P equals 2L plus 2W equals 16 plus 10 equals 26.
The answer. So the answer is Area equals 40 square units; perimeter equals 26 units. Area counts square units inside the shape; perimeter is the distance around it.
Check. 40 over 5 equals 8, which checks out.
About word problems
Turn everyday situations about prices, speed, ages and interest into equations and solve them.
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