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Category: Mensuration

Question-96823

Question Number 96823 by john santu last updated on 05/Jun/20 Commented by mr W last updated on 05/Jun/20 $$\mathrm{1}\:{cm}\:{means}\:\mathrm{32}−\mathrm{25}=\mathrm{7}\:{cm}^{\mathrm{2}} \\ $$$$\mathrm{8}\:{cm}\:{means}\:{then}\:\mathrm{8}×\mathrm{7}=\mathrm{56}\:{cm}^{\mathrm{2}} \\ $$$${green}\:{area}=\mathrm{56}−\mathrm{25}=\mathrm{31}\:{cm}^{\mathrm{2}} \\ $$…

Question-96441

Question Number 96441 by  M±th+et+s last updated on 01/Jun/20 Commented by  M±th+et+s last updated on 01/Jun/20 $${let}\:{p}_{\mathrm{1}} ,{p}_{\mathrm{2}} ,{p}_{\mathrm{3}} ….{p}_{\mathrm{60}} \:{be}\:\mathrm{60}\:{points}\:{on}\:{BC} \\ $$$$\underset{{i}=\mathrm{1}} {\overset{\mathrm{60}} {\sum}}\left({AP}_{{i}}…

Question-96032

Question Number 96032 by i jagooll last updated on 29/May/20 Commented by i jagooll last updated on 29/May/20 $$\mathrm{ABCD}\:\mathrm{is}\:\mathrm{a}\:\mathrm{square}\:\mathrm{with}\:\mathrm{an}\:\mathrm{area}\:\mathrm{240}\:\mathrm{cm}^{\mathrm{2}} \\ $$$$\mathrm{if}\:\mathrm{DP}\:=\:\mathrm{3PC}\:,\:\mathrm{then}\:\mathrm{what}\:\mathrm{is}\:\mathrm{the}\: \\ $$$$\mathrm{area}\:\mathrm{of}\:\mathrm{the}\:\mathrm{shaded}\:\mathrm{region}\:? \\ $$…

1-998-1-999-x-3-100-

Question Number 95901 by bobhans last updated on 28/May/20 $$\frac{\mathrm{1}}{\mathrm{998}!}\:+\:\frac{\mathrm{1}}{\mathrm{999}!}\:=\:\frac{\mathrm{x}^{\mathrm{3}} }{\mathrm{100}!}\: \\ $$ Answered by i jagooll last updated on 28/May/20 $$\frac{\mathrm{999}}{\mathrm{999}×\mathrm{998}!}\:+\:\frac{\mathrm{1}}{\mathrm{999}!}\:=\:\frac{\mathrm{x}^{\mathrm{3}} }{\mathrm{100}!} \\ $$$$\frac{\mathrm{1000}}{\mathrm{999}!}\:=\:\frac{\mathrm{x}^{\mathrm{3}}…

Question-30233

Question Number 30233 by ajfour last updated on 18/Feb/18 Commented by ajfour last updated on 18/Feb/18 $${Find}\:{maximum}\:{area}\:{of}\:{quadrilateral} \\ $$$${ABCD}\:\:{if}\:\:{sides}\:{AB},\:{BC},\:{CD},\:{DA} \\ $$$${be}\:{a},\:{b},\:{c},\:{d}\:\:{respectively},\:{with} \\ $$$$\:\:{a}\:<\:{b}\:<\:{c}\:<\:{d}\:. \\ $$…