Question Number 47883 by behi83417@gmail.com last updated on 16/Nov/18 | ||
Commented by behi83417@gmail.com last updated on 16/Nov/18 | ||
$$\measuredangle{A}=\mathrm{90}^{\bullet} ,{colored}\:{shapes}\:{such}:{ACHG}, \\ $$$${are}\:{squares}\:{and}\:{points}:{L},...{are} \\ $$$${square}\:{centers}. \\ $$$$\mathrm{1}.{show}\:{that}:\:{AF}\:{is}\:{the}\:{angular}\: \\ $$$${bisector}\:{of}\:\measuredangle{BAC}. \\ $$$$\mathrm{2}.{is}\:{statement}#\mathrm{1}\:{true}\:{for}\:{BL}\:{and}\:{CK}? \\ $$$$\mathrm{3}.{show}\:{that},{F}\overset{\bigtriangleup} {{K}L}\:{is}\:{isoscale}\:{when} \\ $$$${A}\overset{\bigtriangleup} {{B}C}\:{is}\:{isoscale}. \\ $$$$\mathrm{4}.{area}\:{of}\:{F}\overset{\bigtriangleup} {{K}L}\:{in}\:{terms}\:{of}\::\boldsymbol{{a}},\boldsymbol{{b}},\boldsymbol{{c}}. \\ $$$$\left({a},{b},{c}:\:{sides}\:{of}\:{A}\overset{\bigtriangleup} {{B}C}\right). \\ $$ | ||
Answered by behi83417@gmail.com last updated on 16/Nov/18 | ||