Card 1 of 8
MediumStudy card 1
Prompt
What is the area of a triangle?
Answer
One-half times base times perpendicular height.
Triangle area
\[A=\frac12 bh\]
MathGeometry & Trigonometry
Flashcards
Area and Volume Flashcards
Recall measurement formulas, scale effects, units, and composite-shape strategy.
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Card 1 of 8. Answer hidden.
Card 2 of 8
MediumStudy card 2
Prompt
What is the area of a circle?
Answer
π times the square of the radius.
Circle area
\[A=\pi r^2\]
Card 3 of 8
MediumStudy card 3
Prompt
What is the volume of any prism or cylinder?
Answer
Area of the base times perpendicular height.
Prism volume
\[V=Bh\]
Card 4 of 8
MediumStudy card 4
Prompt
What is the volume of a cone or pyramid?
Answer
One-third of base area times perpendicular height.
Cone or pyramid volume
\[V=\frac13 Bh\]
Card 5 of 8
HardStudy card 5
Prompt
If all lengths scale by k, how do area and volume scale?
Answer
Area scales by k²; volume scales by k³.
Card 6 of 8
MediumStudy card 6
Prompt
What units should area and volume use?
Answer
Square units for area and cubic units for volume.
Card 7 of 8
MediumStudy card 7
Prompt
What circle measurement trap appears often?
Answer
Using the diameter as r; the radius is half the diameter.
Card 8 of 8
MediumStudy card 8
Prompt
How do you approach a composite area or volume?
Answer
Decompose it into familiar shapes, then add included parts and subtract removed parts.
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