Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

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              <pb file="0166" n="166" rhead="FED. COMMANDINI"/>
            compoſitam proportionem habet ex proportione baſiũ,
              <lb/>
            & </s>
            <s xml:id="echoid-s4121" xml:space="preserve">proportione altitudinum. </s>
            <s xml:id="echoid-s4122" xml:space="preserve">Quare & </s>
            <s xml:id="echoid-s4123" xml:space="preserve">pyramis, cuius ba-
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            ſis eſt quadrilaterum a b c d, & </s>
            <s xml:id="echoid-s4124" xml:space="preserve">altitudo e f ad pyramidem,
              <lb/>
              <figure xlink:label="fig-0166-01" xlink:href="fig-0166-01a" number="122">
                <image file="0166-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/4E7V2WGH/figures/0166-01"/>
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            cuius baſis quadrilaterum g h K l, & </s>
            <s xml:id="echoid-s4125" xml:space="preserve">altitudo m n, compoſi
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            tam habet proportionem ex proportione baſium a b c d,
              <lb/>
            g h k l, & </s>
            <s xml:id="echoid-s4126" xml:space="preserve">ex proportione altitudinum e f, m n. </s>
            <s xml:id="echoid-s4127" xml:space="preserve">quod qui-
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            dem demonſtraſſe oportebat.</s>
            <s xml:id="echoid-s4128" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s4129" xml:space="preserve">Ex iam demonſtratis perſpicuum eſt, priſma
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            ta omnia, & </s>
            <s xml:id="echoid-s4130" xml:space="preserve">pyramides, in quibus axes cum baſi-
              <lb/>
            bus æquales angulos continent, proportionem
              <lb/>
            habere compoſitam ex baſium proportione, & </s>
            <s xml:id="echoid-s4131" xml:space="preserve">
              <lb/>
            proportione axium. </s>
            <s xml:id="echoid-s4132" xml:space="preserve">demonſttatum eſt enim, a-
              <lb/>
            xes inter ſe eandem proportionem habere, quam
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            ipſæ altitudines.</s>
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        <div xml:id="echoid-div254" type="section" level="1" n="87">
          <head xml:id="echoid-head94" xml:space="preserve">THE OREMA XVIII. PROPOSITIO XXII.</head>
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              <emph style="sc">Cvivslibet</emph>
            pyramidis, & </s>
            <s xml:id="echoid-s4135" xml:space="preserve">cuiuslibet </s>
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