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To bisect a given arc, that is, to divide it into two equal parts. Let ADB be the given arc : it is required to bisect it.
Elements of Geometry: Containing the Principal Propositions in the First Six ... - Page 102
by Euclid - 1789 - 272 pages

## The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - Trigonometry - 1762 - 488 pages
...bafe EF. Therefore in equal circles, &c. Q._E. D. PROP. XXX. PRO B. 3 bifect a given circumference, that is to divide it into two equal parts. Let ADB be the given circumference ; it is required to bifect it. Join AB, and bifect a it in C ; from the point C draw...

## Elements of Geometry;: Containing the First Six Books of Euclid, with a ...

John Playfair, Euclid - Circle-squaring - 1804 - 468 pages
...the bafe EF. Therefore, c 4 ». in equal circles, &c. Q^ED PROP. XXX. ^PROB. T O bifeft a given arch, that is, to divide it into two equal parts. Let ADB be the given arch ; it is required to bifedb it. Join AB,'and bifeft» it in C ; from the point C draw CD a i0....

## The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

Robert Simson - Trigonometry - 1804 - 530 pages
...the bafe EF. Therefore, in equal circles, &c. Q^ED PROP. XXX. PROB. TO bifeft a given circumference, that is, to divide it into two equal parts. Let ADB be the given circumference ; it is required to bifecl it. a. 10. i. J0in AB, and bifect » it in C ; from the point...

## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclides - 1816 - 588 pages
...the base EF. Therefore, in equal circles, &c. QED PROP. XXX. PROB. To bisect a given circumference, that is, to divide it into two equal parts. Let ADB be the given circumference; it is required to bisect it. ^ • 10. 1. Join AB, and bisect1 it in C ; from the point...

## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Circle-squaring - 1819 - 350 pages
...(4. 1.) to the base EF. Therefore, in equal circles, &c. QED PROP. XXX. PROB. To bisect a given arch, that is, to divide it into two equal parts. Let ADB be the given arch ; it is required to bisect it. Join AB, and bisect (10. 1.) it in C ; from the point C draw CD...

## The Elements of Euclid: The Errors by which Theon, Or Others, Have Long ...

Robert Simson - Trigonometry - 1827 - 546 pages
...EF. Therefore in *4. i• equal circles, &c. QED PROP. XXX. PROB. To bisect a given circumference, that is, to divide it into two equal parts. Let ADB be the given circumference ; it is required to bisect it. Join AB, and bisect * it in C ; from the point C draw...

## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1835 - 336 pages
...there will be formed a right angled triangle equal to ABE (Prop. 18. BI). PROP. III. PROB. To bisect a given arc, that is, to divide it into two equal...parts. Let ADB be the given arc ; it is required to bisect it. Join AB, and bisect (Prob. 5. 1.) it in C ; from the point C draw CD at right angles to...

## The Element of Geometry

John Playfair - Geometry - 1836 - 148 pages
...the base EF. Therefore, in equal circles, &c. QED PROP. XXL PROB. To bisect a given circumference, that is, to divide it into two equal parts. Let ADB be the given circumference ; it is required to bisect it. Join AB, and bisect (8. 1.) it in C; from the point C...