Category: Geometry

Question Number 221025 by Tawa11 last updated on 22/May/25 Answered by mr W last updated on 23/May/25 $$\mathrm{20}\:{convex}\:{quadrilaterals}\:\left({red}\right) \\ $$$$\mathrm{5}\:{concave}\:{quadrilaterals}\:\left({blue}\right) \\ $$$$\mathrm{25}\:{cross}−{quadrilaterals}\:\left({green}\right) \\ $$$$\Rightarrow{totally}\:\mathrm{50}\:{quadrilaterals} \\…

Question Number 220831 by Nicholas666 last updated on 20/May/25 Answered by mr W last updated on 20/May/25 Commented by mr W last updated on 20/May/25…

Question Number 220630 by Mingma last updated on 17/May/25 Answered by mr W last updated on 17/May/25 Commented by mr W last updated on 17/May/25…

Question Number 220546 by mr W last updated on 15/May/25 Commented by mr W last updated on 15/May/25 $${proof}\:{to}\:{Q}\mathrm{219318} \\ $$ Commented by mr W…

Question Number 220375 by Tawa11 last updated on 12/May/25 Commented by Tawa11 last updated on 12/May/25 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{area}\:\mathrm{and}\:\mathrm{perimeter}. \\ $$$$\mathrm{Please},\:\mathrm{is}\:\mathrm{the}\:\mathrm{question}\:\mathrm{correct}? \\ $$ Commented by AntonCWX8 last…