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right angle |
Also found in: Wikipedia | 0.03 sec. |
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right angle the angle between two radii of a circle that cut off on the circumference an arc equal in length to one quarter of the circumference; an angle of 90? or π/2 radians right angle [′rīt ′aŋ·gəl] (mathematics) An angle of 90°. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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