The measurement. The triangle has the knowledge to use wichatrikon to find the distance. The direction and angle of the area difficult to measure directly, such as finding the height of a mountain. To find the width of the river.
The measure has the knowledge triangle trigonometry is used to find the distance and direction over an area that is difficult to measure directly, such as the finding of a high mountain. To find the width of the river
Measurement of knowledge triangle trigonometry used in finding the distance, area, angle and direction, difficult to measure directly, such as Determination of the height of the mountains, the width of the river.