Semicircle

According to the theorem, any triangle inscribed in a semicircle is a right triangle, as is shown in the following diagram: ❋ Klima, Gyula (2008)

The first figure is a semicircle, which is perpendicular to the plane of the circle ABDZ and which starts on the diameter AED and, with point A remaining fixed, rotates to position AKD. ❋ Huffman, Carl (2007)

The mind would then only tend to the affirmation of the sole motion of a semicircle, which is not contained in the conception of a semicircle, and does not arise from the conception of any cause capable of producing such motion. ❋ Unknown (2007)

Therefore it is the assumption of B, the half of two right angles, from which it follows that A is attributable to C, i.e. that the angle in a semicircle is a right angle. ❋ Aristotle (2002)

The half of a circle is termed a semicircle; thus, in Figure 52, A B and ❋ Joshua Rose (N/A)

The vaulting, windows, and doorways had the form of the round arch, that is, a semicircle, as in the ancient Roman monuments. ❋ Hutton Webster (N/A)

I have counted wrong; and of those not three are of other material than stone, nor are there as many others that fail to cause expense to your Majesty and labor to the natives -- and this in one legua about the city as I have said, in a semicircle, which is even not entire, for the other half falls within this bay. ❋ James Alexander Robertson (1906)

In the centre of the semicircle was a great round hole, 30 ft. in diameter -- an extinct crater. ❋ Arnold Henry Savage Landor (1894)

We had delicious young chicken -- quite babies they were, poor dears -- fried with cream; and wreathed all round our plates in a semicircle were a quantity of tiny dishes. ❋ Orson Lowell (1889)

Within the semicircle were a number of Arabs of high and low degree, a few of them well-dressed and armed to the teeth, others dirty and shabby; but all intent on business. ❋ William Henry Giles Kingston (1847)

Moore said immediately after the Crimson Tide's 37-21 BCS National Championship win over Texas that he hoped to move immediately to erect Saban's likeness in the fifth semicircle, which is situated nearest to the stadium. ❋ Unknown (2010)

Upon reaching the coast some natives were seen fishing in the water, and the party was at once spread out in a kind of semicircle, among the scrub, to close upon and capture them; the officer, missionary, and guide, being stationed near the centre. ❋ Unknown (2004)

Ipswich is seated, at the distance of twelve miles from Harwich, upon the edge of the river, which, taking a short turn to the west, the town forms, there, a kind of semicircle, or half moon, upon the bank of the river. ❋ Unknown (2003)

Duchess is disgraced -- all the characters stand in the well-defined semicircle which is the stage method of writing the word "finis" -- Mrs. Yates speaks a very neat and pointed "tag" -- and that's all. ❋ Various (N/A)

The two couch beds had been placed in a kind of semicircle and eight members of the club were seated on them. ❋ Jessie Graham [pseud.] Flower (N/A)

We are now close to Stromboli, which appears to be the remaining half of a large conical crater; the semicircle which is lost, having fallen away into the sea. ❋ John Auldjo (N/A)

At one end was an observation tower, where one could see miles on miles of trenches stretching in a kind of semicircle before the fortifications. ❋ Margaret Vandercook (N/A)

All the men had risen to their feet, and they made a kind of semicircle before her. ❋ Gilbert Parker (1897)

"Um, [twigs]?" "[Semicircle] for [90]?" "k" ❋ Bigbabyjesus (2004)

Billy and Ricky were [grounded] so Tommy and Johnny ended up doing a [semicircle jerk] in [the treehouse]. ❋ DonJaime (2018)

[Civilian]: Hey who is [cutest] in [nyc]? Everyone: semicircled ❋ Sebotic (2020)

Once the last [spirt] was [spunked] the formation of the [semicircle] was complete ❋ Chrystal Tits (2018)