Page 27 - GEOMETRY

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///r/rrddddrrd/
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60º rdrddrdddrddrrddrdddddrrddrdrrrddddrdrrdrddrd
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r/,r/o,r/or
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/r/ 31 /// 27 ///r/r/r2r/or2r/or4rr/r2r//r2r/r
///rr/r2r/or2r/or2rr/r2r//r2r/r
/// 33 /// 25
///rr/r2r/or2r/or2r 2 /r/r2r//r2r/r/

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rsd
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45º r/r2rsrddr /or2rerdd
B ????? C //r

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/r/ ,rdd /// rrdd
///rn ///rr
/// rrdd /// nrdd
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nod

45º 4 3 mm

/r/ o,rrdrrdrrdr /
60º
B ????? C /// rdrrdr Ð /

/// /rddrr Ð /
/r/ 3 2 /// 5 2
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/// 4 2 /// 6 2
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