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Word problemsArithmeticMiddle schoolabout 0:32

Find the area of a triangle with base 10 and height 7: animated lesson

A narrated, step-by-step word problems video lesson with captions. Final answer: Area = 35 square units.

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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 (0.2 MB) · Captions (WebVTT)

Steps on screen

1. The problem
Worked example
Find the area of a triangle with base 10 and height 7
2. Step by step
1. Read the problem
2. Area
3. The answer
$\text{Area = 35 square units}$
Area = 35 square units
4. Check
- 2A / b = 7 ✓

Transcript

The problem. Here is the problem: Find the area of a triangle with base 10 and height 7. Triangle with base 10 and height 7.

Step by step. Read the problem. b equals 10, h equals 7. Area. A equals ½ b h equals ½ times 10 times 7 equals 35.

The answer. So the answer is Area equals 35 square units. Triangle with base 10 and height 7.

Check. 2A / b equals 7, which checks out.

About word problems

Turn everyday situations about prices, speed, ages and interest into equations and solve them.

Find the area of a triangle with base 10 and height 7