Category: Geometry

Question Number 65325 by Tawa1 last updated on 28/Jul/19 Commented by Tony Lin last updated on 28/Jul/19 $$\left({a}\right)\left({i}\right) \\ $$$$\left({i}\right){O}\overset{\rightarrow} {{E}}=\lambda{O}\overset{\rightarrow} {{D}}+\left(\mathrm{1}−\lambda\right){O}\overset{\rightarrow} {{C}} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:=\lambda\left(\mathrm{4}\overset{\rightarrow}…

Question Number 65312 by Tony Lin last updated on 28/Jul/19 Commented by Tony Lin last updated on 28/Jul/19 $${how}\:{to}\:{know}\:{x}=\mathrm{5} \\ $$ Commented by mr W…

Question Number 65235 by ajfour last updated on 26/Jul/19 Commented by ajfour last updated on 26/Jul/19 $${Find}\:{p},{q},{r}\:{in}\:{terms}\:{of}\:{a},{b},{c}. \\ $$ Commented by ajfour last updated on…

Question Number 65189 by arcana last updated on 26/Jul/19 $${all}\:{square}\:{is}\:{a}\:{rhombus}.\:{why}? \\ $$ Answered by MJS last updated on 26/Jul/19 $$\mathrm{a}\:\mathrm{rhombus}\:\mathrm{has}\:\mathrm{2}\:\mathrm{parallel}\:\mathrm{pairs}\:\mathrm{of}\:\mathrm{sides},\:\mathrm{all} \\ $$$$\mathrm{of}\:\mathrm{them}\:\mathrm{of}\:\mathrm{equal}\:\mathrm{length} \\ $$$$\mathrm{a}\:\mathrm{square}\:\mathrm{is}\:\mathrm{a}\:\mathrm{special}\:\mathrm{kind}\:\mathrm{of}\:\mathrm{rhombus} \\…

Question Number 65148 by Tawa1 last updated on 25/Jul/19 Commented by Tony Lin last updated on 25/Jul/19 Commented by Tony Lin last updated on 25/Jul/19…