Measures
Find the approximate areas of these rectangles.
Please enable Java for an interactive construction (with Cinderella).
Approximate red area:
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12-13
13-14
14-15
15-16
16-17
17-18
18-19
19-20
Approximate yellow area:
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19-20
20-21
21-22
22-23
23-24
24-25
25-26
26-27
27-28
28-29
29-30
Approximate blue area:
Choose...
12-13
13-14
14-15
15-16
16-17
17-18
18-19
19-20
Find the approximate areas of these rectangles.