Category: Geometry

Question Number 182178 by BagusSetyoWibowo last updated on 05/Dec/22 $$TheCircleHasARadius5cm$$$$Andtheanglebetween$$$$sectorfromthechordis$$$$73.7397952916880°$$$$andtheirrighttriangleis$$$$AB=4cm$$$$AC=3cm$$$${Find}\:{the}\:{area}\:{of}\:{arc}\:{triangle} \…

Question Number 51088 by ajfour last updated on 23/Dec/18 Commented by ajfour last updated on 23/Dec/18 $$Findmaximumareaof△ABC.$$ Answered by ajfour last updated on…

Question Number 182149 by Acem last updated on 05/Dec/22 Commented by Acem last updated on 05/Dec/22 $$Find\alpha$$ Answered by HeferH last updated on…

Question Number 182103 by mr W last updated on 04/Dec/22 Commented by mr W last updated on 04/Dec/22 $$findthesmallestareaofinscribed$$$$equilateraltriangleinthegiven$$$$trianglewithsides3,5,7.$$…

Question Number 182078 by Acem last updated on 04/Dec/22 Answered by mr W last updated on 05/Dec/22 $$\frac{\sin 30}{\sin (30-\theta )}=\frac{\sin (30+\theta )}{\sin \theta }$$$$\frac{\sin \theta }{2}=\frac{(\cos \theta +\sqrt{3}\sin \theta )(\cos \theta -\sqrt{3}\sin \theta )}{4}$$$$\mathrm{2}\:\mathrm{sin}\:\theta=\mathrm{cos}^{\mathrm{2}} \:\theta−\mathrm{3}\:\mathrm{sin}^{\mathrm{2}} \:\theta \…