The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. Find high-quality stock photos that you won't find anywhere else. The cookie is used to store the user consent for the cookies in the category "Other. Search from Protractor Picture stock photos, pictures and royalty-free images from iStock. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Toggle the display of the protractor.Necessary cookies are absolutely essential for the website to function properly. = Click to automatically set angles so they are all equal. Click to set all the values to random values. Change this number to add or remove lines/angles to the current problem Toggle to show/hide the type of angle currently displayed. Select the mode, each option is a different angle type. Use the ruler to draw a straight line across the paper at the mark you made. Use a ruler to measure 8 inches down the 11 inch side and make a mark at that point. The interactive clock angles activity can also be used in explaining angles. Get an 8 'x 11' sheet of paper to cut into a square. Using the vertically opposite rule, or spotting the supplementary angles.Īngles Glossary Acute Angle Any angle that is less than 90° Right Angle An angle that is 90° Obtuse Angle An angle greater than 90° but less than 180° Straight Angle An angle of 180° which makes a straight line Reflex Angle An angle greater than 180° Related activities Notice that only one angle is given and all the other 3 can be worked out The final mode deals with angles produced by an intersection of two lines. Problem followed by small adjustments to the lines by dragging. In this mode press =īutton to make all the angles equal. Cute schoolgirl holding protractor for lesson in mathematics. Pilot equipment with airplane pilot hand using flight computer for navigation calculations, other tools like protractor Being ready for lesson. Mode behaves exactly the same as the previous. Browse 215 professional using protractor stock photos available royalty-free. Supplementary angles are angles that add up to 180°. Such problems by selecting calculate from angles display, now press dice for a new Missing angle that needs to be calculated. In this mode a complementary angle is shown, complementaryĪngles add up to 90° Initially the 90° is split by just one lineīut this can be changed by selecting a different number of lines. Types definitions are listed in the glossary below. So now you can change the angle by dragging a handle or clicking Click the angle type ctrl to either show or hide the Is great for identifying various types of angles. The initial mode is unique in that there is only one angle. The handles at the end of each line can be clicked and dragged Hidden the angle value next to the angle arc is replaced by the In all the modes individual angles can be shown or hidden for exampleĬlick the angle (a).
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