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searching for Straightedge and compass construction 5 found (30 total)

alternate case: straightedge and compass construction

Circumcircle (4,549 words) [view diff] no match in snippet view article find links to article

In geometry, the circumscribed circle or circumcircle of a triangle is a circle that passes through all three vertices. The center of this circle is called

Heptagon (1,745 words) [view diff] exact match in snippet view article find links to article

straightedge and angle trisector. The impossibility of straightedge and compass construction follows from the observation that 2 cos ⁡ 2 π 7 ≈ 1.247

Radical axis (4,232 words) [view diff] exact match in snippet view article find links to article

and N {\displaystyle N} on a 2 {\displaystyle a_{2}} . Straightedge and compass construction: A system of orthogonal circles is determined uniquely by

Parallel (geometry) (2,736 words) [view diff] exact match in snippet view article

1988, pp. 180–184 Heath 1956, p. 194 Only the third is a straightedge and compass construction, the first two are infinitary processes (they require an

Euler's totient function (6,473 words) [view diff] no match in snippet view article find links to article

whether there are any more. Thus, a regular n-gon has a straightedge-and-compass construction if n is a product of distinct Fermat primes and any power