Question about Sharp EL-531VB Calculator

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Regarding trignomentry-height and distance

I dont know how to solve a sum

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  • piu sen Nov 29, 2011

    if the height and perimeter of the base of a right circular cone are respectively 15m and 44m, then the volume of the cone is how much?

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A kite is flying at a height of 75m from the ground level, attached to a string inclined at 60 degree to the horizontal. find the length of the string to the nearest meter.

Posted on Mar 25, 2011

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To find the distance

Posted on Sep 23, 2008

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Posted on Jan 02, 2017

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Dartboard height and distance


Gary, Standard height from the floor to the bulls eye on the dartboard is 68" inches (173 cm) and the distance from the front face of the board to the toe line should measure 93 1/4" (237cm).
Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
http://www.pdc.tv/rules-of-darts
Darts Dartboards and Dart Supplies Dart Brokers
Dartboard setup

Apr 20, 2016 | Toys

1 Answer

Seats height


Hi, here is how to determine your seat height.

Measure your inseam length by standing barefoot against a wall, use a book to press up as high as possible between your legs, and measure the distance from the top of the book to the floor.

Take that length and multiply that with 0.65 to give you the distance from the top of your saddle down to the center of you BB axle, where your crank goes through. The distance indicated by A on this pic.

20017942-rsx4m12fp5prszbjjw0ik22q-4-0.jpg
Hope that helps!

Sep 11, 2013 | Giant MTX 125

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An airplane is flying at a height of 2 miles above the ground. The distance along the ground from the airplane to the airport is 5 miles. What is the angle of depression from the airplane to the airport?


a2+b2=c2
a being your height, b is your distance from the airport and c is the distance from the airport to the plane........ so the answer is 5.385164807134504 miles

Pls Rate this post

Oct 08, 2009 | SoftMath Algebrator - Algebra Homework...

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They dont reach over a klm,they where to be 36klm


Handheld radio range has always been way over sold. The biggest problem with handheld radios is not as much the power output but the inferior antenna system. To be able to predict radio range you must know transmitter power, receiver sensitivity, receiver selectivity, gain and height of each antenna system, distance and obstacles between. I feel sure that you are probably getting true expected range. Sorry!

Jun 26, 2009 | Cobra 22 CHANNEL 2-WAY RADIOS

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I have a pair of leica binoculars model 102351 which has vitical and hrizontal markings in the lens, I presume it has something to do with a range finder but I have no idea how it works. I would appreciate...


You are correct that the lines are for rangefinding. This is what is called a reticle. Without seeing how they are set up it is hard to determine the scale used. Most scales are in meters, some in yards, but they all work the same. Go to any of the following websites and download the instruction manual.
Go to Tasco and search for the Offshore OS 36 or 54 manual. OR go to Steiner Optic and download the manual for the Military 7x50 or Commander or Navigator models.
These instruction manuals have details and diagrams of how to read a rangefinder reticle.
Basically if you know the distance to an object you can estimate its height or size. OR if you know the size of an object you can estimate the distance to the object.

Jun 11, 2009 | Optics

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How to use the reticle in my Fujinon Mariner Binoculars?


How to use the reticle:
The vertical scale (reticle) visible through the left half of the binocular, above the compass display, allows you to calculate distance to an object if you know its height, or to calculate the height of an object if you know its distance from you.
Each mark on the vertical scale has a value of 5 MIL (1Mil is equivalent to an angel that can determined an object one meter in height at a distance of 1000 meters). Therefore, if a navigation chart gives the height of an object, by sighting on it and counting the number of MILS, you can determine how far away it is.
To Measuer distance when height is known:
Object Height(m)/Scale Reading x 1000m=Distance in Meters
To Measure height when distance is known:
Distance(m)xScale Reading/1000=Object height in meters

Jan 26, 2009 | Fujinon Mariner WPC-XL Binocular

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Tranmitting distance


Generally speaking a 2-way radio will talk as far as it can see. Height and placement of antenna determines range. So if you were talking from a Mountain to a valley you could talk a great distance. However, in the real world there are obstacles, such as trees, houses, varied terrain. You generally would expect a radio to talk line-of-sight up to two miles. Or 1/4 to 1/2 mile if talking from inside a building to outside. The quote of 5 miles in literature is referencing ideal conditions. (Much like when the new car you are looking at quotes the MPG.)

Jul 29, 2008 | Motorola Talkabout T5720 (7 Channels)...

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