"Determine Location" Position and Coordinates PPT Courseware 2

Description

"Determine Location" Position and Coordinates PPT Courseware 2

diagnostic exercises

1. There are eight rows and eight columns in an honor guard. If the position of the first row and the second column is recorded as (1, 2), then the position of the seventh row and the fifth column can be recorded as _______, and the position represented by (3, 6) yes_______.

2. It is observed at A that point B is located at 60 degrees east of north and the distance is 500 meters. Then when observing point A from point B, point A is _______ of point B.

Review old knowledge

1. Method of determining position in plane:

(1) Use a pair of ordered numbers to determine the position;

(2) Determine position using distance and azimuth;

(3) Determine location using longitude and latitude;

2. Data that determines the position in the plane:

Determining the position of an object in a plane requires two pieces of data.

Method of determining position using "ordered number pairs":

(1) Determine the serial numbers of each horizontal row and the serial number of each column according to the conditions;

(2) Determine the position of the object by using the uniqueness of the intersection of the horizontal and vertical lines.

"Distance and azimuth" method to determine location:

(1) Determine the center position;

(2) Determine the azimuth angle and distance to the center of the object.

Class summary

1. Method of determining position by "ordered number pair":

(1) Determine the serial numbers of each horizontal row and the serial number of each column according to the conditions;

(2) Determine the position of the object by using the uniqueness of the intersection of the horizontal and vertical lines.

2. Method of determining position by "distance and azimuth":

(1) Determine the center position;

(2) Determine the azimuth angle and distance to the center of the object.

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Update Time: 2024-11-24

This template belongs to Mathematics courseware Beijing Normal University eighth grade first volume mathematics industry PPT template

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