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of the bottom of the object, equal 27°, and of its top 19°. Required the height of the object, and the distance of the mark from its bottom. Here,
Course of Civil Engineering: Comprising Plane Trigonometry, Surveying, and ... - Page 68
by John Gregory - 1842

## Mathematics: Compiled from the Best Authors and Intended to be the ..., Volume 2

1801 - 658 pages
...top of the object ; I there took the angle of depression of the mark by the river's side equal 42°, of the bottom of the object equal 27°, and of its...and the distance of the mark from its bottom. Here • Here 42°—27 c :r'i5 0 =,/ADt. And 27"—190=8° =</ADB. Also 90°+ 19"=io9°=</B. ,/CAD 27°...

## A Course of Mathematics in Two Volumes for the Use of Academies as Well as ...

Charles Hutton - 1807 - 464 pages
...left at the river's side 42°, of the bottom of the object 27°, and of its top 19°. Required then the height of the object, and the distance of the mark from its bottom ? A ("height 57-26 s ' £ distance 150-50 EXAM. xvii. If the height of the mountain called the Peak...

## A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - 1811 - 442 pages
...left at the river's side 42°, of the bottom of the object 27°, and of its top 19°. Required then the height of the object, and the distance of the mark from its bottom ?, . . -r height 5T26 '1 distance'150-50 EXAM. xvii. If the height'of the mountain called the Peak...

## A Course of Mathematics: In Three Volumes : Composed for the Use of the ...

Charles Hutton - 1811 - 494 pages
...left at the river's side 42°, of the bottom of the object 27°, and of its '. top 19°. Required then the height of the object, and the distance of the mark from its bottom? Am / hei g ht 57-26 •'I distance 150'50 EXAM. xvii. If the height of the mountain called the Peak...

## A Course of Mathematics: For the Use of Academies as Well as Private Tuition

Charles Hutton - 1812 - 620 pages
...left at the river,s side 42°, of the bottom of the object, 27°, and of its top 19°. Required then the height of the object, and the distance of the mark from its bottom ? Ans 5 hei S ht 57-26 Ans, I distance 150.50 ExAM. xvn. If the height of the mountain called the Peak...

## A Course of Mathematics: In Two Volumes : for the Use of Academies ..., Volume 1

Charles Hutton - 1816 - 610 pages
...left at the river's side 42°, of the bottom of the object, 27°, and of its top 19°. Required then the height of the object, and the distance of the mark from its bottom ? Ans> I distance 15Q-S9 EXAM. xvu. If the height of the mountain called the Peak «f Teneriffe be...

## A Course of Mathematics: In Two Volumes. For the Use of Academies ..., Volume 1

Charles Hutton - 1818 - 646 pages
...left at the river's side 42°, of the bottom of the object, 27°, and of its top 19 s . Required then the height of the object, and the distance of the mark from its bottom ? \$ height 67-28 AD8- \$ distance 150-50 EXAM. xvn. If the height of the mountain cal|ed the Peak of...

## A Course of Mathematics for the Use of Academies: As Well as ..., Volume 1

Charles Hutton - 1825 - 608 pages
...left at the river's side 4~2°, of the bottom of the object, 27°, aud of its top 19". Required then the height of the object, and the distance of the mark from i(( bottom? , t height 6726 ' \$ distance 150-50 EXAM. xvn. If the height of the mountain called the...