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# 11 1 Areas Of Rectangles

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### Transcript

• 1. 11-1 Areas of Rectangles
• 2. Area
• Length – Distance
• Area – Surface
• WHY should we care about area???
• Painting, construction, architecture…
• 3. Area of a square
• The square of the length of a side
• A = s 2
s
• 4. Area congruence
• If two figures are congruent their areas are the same
• 5. Area of a rectangle
• Base times height
• A =bh
12 3
• The area of a region is the sum of the areas of its non-overlapping parts
4 5 5 2 Area = ?
• 7. Proof for area of a rectangle b 2 b b b h h h h h 2 b A A
• 8. SPICSA
• Page 426 1-16 all
• Page 426 18-22 even