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Little explorations with HP calculators (no Prime)
04-07-2017, 04:11 PM (This post was last modified: 04-07-2017 04:23 PM by Han.)
Post: #133
RE: Little explorations with the HP calculators
It would be nice if there was a feature to hide parts of a post until a user explicitly clicks a spoiler button. Anyway draw a line through E and parallel to AB. Let G be the point of intersection of this line with BC and note G is the midpoint of BC. EGC has area 1/4*24=6. Note that EG has length 1.5y. Hence ADE has area 4. BDF has half the height as ADE (a second line through F parallel to AB helps to see this) but twice the base length. Therefore its area is also 4. Lastly EFG (compared vs BDF) has area 3 using a ratio of their bases.

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RE: Little explorations with the HP calculators - Han - 04-07-2017 04:11 PM



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