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- Essential Figures —
- Triangles:
Characteristic Notes
Three sides of length a, b, and c; altitude of (length) height h...
- Perimeter = a + b + c
- Area = ½ bh
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Squares:
Characteristic Notes
Four sides, each of length s...
- Perimeter = 4 s
- Area = s2
- Rectangles:
Characteristic Notes
The top & bottom (base) lines are parallel and are of length l, while the two
sides are also parallel and of length w (commonly referred to as the width)...
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