DungeyDabs

4 Questions
12 Answers

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1105

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Geo Homework

1. Two villages A and B lie on opposite sides of a straight river in the positions shown. The perpendicular distance from A to the river is 1 km and that from B to the river is 3 km. The river is 1 km wide and village B is 3 km down the river from village read more ..

DungeyDabs Sep 3, 2019

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873

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Parallelogram Problem

The diagonals of a parallelogram intersect at a 45 degree angle. If the diagonal lengths are 8 cm and 10 cm, what is the area of the parallelogram. Would appreciate an answer without trig.

Thanks

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DungeyDabs Jul 12, 2019

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1230

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AMHSE Problem - ESCALATORS!!!

An escalator (moving staircase) of n uniform steps visible at all times descends at constant speed. Two boys, A and Z, walk down the escalator steadily as it moves, A negotiating twice as many escalator steps per minute as Z. A reaches the bottom after read more ..

DungeyDabs Jul 7, 2019

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3212

6

+41

Norman Windows

A Norman window is a window with a semi-circle on top of regular rectangular window. (See the link.) What should be the dimensions of the rectangular part of a Norman window to allow in as much light as possible, if there are only 12 ft of read more ..

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DungeyDabs May 19, 2019