Category: Geometry

Question Number 199046 by mr W last updated on 27/Oct/23 Commented by mr W last updated on 27/Oct/23 $${as}\:{Q}\mathrm{198763},\:{but}\:{the}\:{balls}\:{are}\:{not}\:{on} \\ $$$${a}\:{table},\:{but}\:{inside}\:{a}\:{large}\:{spherical} \\ $$$${bowl}\:{with}\:{radius}\:{R}. \\ $$…

Question Number 199006 by adhigenz last updated on 26/Oct/23 $$\mathrm{Given}\:\mathrm{that}\:{ABCD}\:\mathrm{is}\:\mathrm{a}\:\mathrm{trapezium}\:\mathrm{such}\:\mathrm{that}\:{AD}//{BC}. \\ $$$$\mathrm{The}\:\mathrm{centroid}\:\mathrm{of}\:\bigtriangleup{ABD}\:\mathrm{lies}\:\mathrm{on}\:\mathrm{the}\:\mathrm{bisector}\:\mathrm{of}\:\angle{BCD}. \\ $$$$\mathrm{Show}\:\mathrm{that}\:\mathrm{the}\:\mathrm{centroid}\:\mathrm{of}\:\bigtriangleup{ABC}\:\mathrm{lies}\:\mathrm{on}\:\mathrm{the}\:\mathrm{bisector}\:\mathrm{of}\:\angle{ADC}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 198913 by mr W last updated on 25/Oct/23 Commented by mr W last updated on 25/Oct/23 $${find}\:\theta\:{in}\:{terms}\:{of}\:{a},\:{b},\:{c}. \\ $$ Answered by ajfour last…

Question Number 198643 by cortano12 last updated on 22/Oct/23 $$ \\ $$$$\mathrm{Given}\:\mathrm{an}\:\mathrm{isosceles}\:\mathrm{triangle}\:\mathrm{ABC} \\ $$$$\:\mathrm{which}\:\:\angle\mathrm{A}=\:\mathrm{30}°,\:\mathrm{AB}\:=\:\mathrm{AC}.\: \\ $$$$\mathrm{A}\:\mathrm{point}\:\mathrm{D}\:\mathrm{is}\:\mathrm{midpoint}\:\mathrm{of}\:\mathrm{BC}\:.\: \\ $$$$\mathrm{A}\:\mathrm{point}\:\mathrm{P}\:\mathrm{is}\:\mathrm{chosen}\:\mathrm{on}\:\mathrm{then} \\ $$$$\mathrm{segment}\:\mathrm{AD}\:\mathrm{and}\:\mathrm{a}\:\mathrm{point}\:\mathrm{Q}\:\mathrm{is} \\ $$$$\mathrm{chosen}\:\mathrm{on}\:\mathrm{the}\:\mathrm{side}\:\mathrm{AB}\:\mathrm{so}\:\mathrm{that} \\ $$$$\mathrm{BP}=\:\mathrm{PQ}. \\…

Question Number 198479 by ajfour last updated on 20/Oct/23 Commented by ajfour last updated on 20/Oct/23 $${Find}\:{r}\:{if}\:\alpha\:{be}\:{known}.\:{Outer}\:{circle} \\ $$$${has}\:{unit}\:{radius}. \\ $$ Commented by dangduomg last…