Triangle protractor
A technology of protractors and triangular plates, applied in writing utensils, printing, rulers, etc.
Inactive Publication Date: 2014-06-04
黎大能
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Problems solved by technology
[0003] The present invention is to solve the problem of convenient drawing for primary and middle school students
Method used
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Embodiment Construction
[0008] The triangular plate protractor is composed of the right-angled side of the triangular plate, the scale on the right-angled side, the right angle, the acute angle, the hypotenuse, the protractor, and the scale on the protractor.
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The invention relates to a triangle protractor which is composed of triangle right-angle sides, scales on the right-angle sides, a right angle, acute angles, a bevel side, a protractor body and scales on the protractor body. When the triangle protractor is used, the triangle protractor integrates the functions of a triangle and the protractor body, problems in construction can be solved easily only by using the one school supply, and the function of improving learning efficiency is achieved.
Description
technical field [0001] The invention relates to a triangular plate protractor. Background technique [0002] Elementary and middle school students often use triangular plates and protractors for drawing. Can they be combined to achieve two purposes? Contents of the invention [0003] The invention aims to solve the problem of convenience for primary and middle school students to draw pictures. [0004] The triangular plate protractor is composed of the right-angled side of the triangular plate, the scale on the right-angled side, the right angle, the acute angle, the hypotenuse, the protractor, and the scale on the protractor. [0005] When the present invention is used, the triangular protractor has the functions of both the triangular plate and the protractor, and only needs to use this one school supplies to easily solve some problems in the drawing and achieve the effect of improving learning efficiency. Description of drawings [0006] figure 1 is the structure...
Claims
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Inventor 黎大能
Owner 黎大能
