Inscribed Angle in a Circle Proof
Illustration of a circle with an inscribed angle that can be used to prove that "An inscribed angle…
Inscribed Angle in a Circle Proof
Illustration of a circle with an inscribed angle that can be used to prove that "An inscribed angle…
Angles Inscribed in the Same Segment Circle Proof
Illustration of a circle used to prove "All angles inscribed in the same segment are equal."
Right Angles Inscribed in Semicircle Proof
Illustration of a circle used to prove "Any angle inscribed in a semicircle is a right angle."
Obtuse Angles Inscribed in Circle Proof
Illustration of a circle used to prove "Any angle inscribed in a segment less than a semicircle is an…
Construction of a Tangent to a Circle
Illustration used to show how "to construct a tangent to a circle from a point outside."
Construction of an External Tangent to 2 Circles
Illustration used to show how "to construct a common external tangent to two given circles."
Construction of an 2 External Tangents to 2 Circles
Illustration used to show how to construct two common external tangents to two given circles.
Elves and Fairies Dancing
According to Norse mythology, in Elfland, elves and fairies would dance in a circle in the moonlight.…
Inclination of Earth's Axis
"A quadrant, or one fourth of a circle. The oblique lines indicate various angles with the base. The…
Byzantine Capital
"Byzantine Capital. The leading forms of the Byzantine style are the round arch, the circle, and in…
Derby Flycatcher
"Pitangus derbianus. Derby Flycatcher. Under parts light wood-brown, with an olive tinge; wings and…
Crested Auk in Winter
"Simorhynchus cristatellus. Crested Auk. Snub-nosed Auk. A beautiful crest of 12-20 slender feathers…
