She yn mooad towse-oaylleeagh bun-chooish y duillag shoh. My vel anaase ayd ayns keeal elley yn 'ockle shoh, lhaih Eaghtyr (reddaghey).

Ta'n fockle eaghtyr ny chur sheese er mooad ta fockley mooadys daa-howshanagh er rheynn vaghtal jeh baare, eaghtyr ny crackan, ta caglit liorish cruill ghooint. Ta'n enmys ny chur sheese er slane eaghtyr baare, eaghtyr ny crackan anchoodit jeh stooalt tree-howshanagh, lheid as sym eaghtyryn jeh çheughyn anchoodit polyheedrane.

Unnidyn

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Ta unnidyn ry hoi towshanagh eaghtyr goaill stiagh lheid as:

are (a) = 100 meteryn kerrinagh (m²)
hectare (ha) = 100 areyn (a) = 10000 meteryn kerrinagh (m²)
kilometer kerrinagh (km²) = 100 hectareyn (ha) = 10000 areyn (a) = 1000000 meteryn kerrinagh (m²)
mooar-veter kerrinagh (Mm²) = 1012 meteryn kerrinagh
trie cherrinagh = 144 oarlee cherrinagh = 0.09290304 meteryn kerrinagh (m²)
stundayrt kerrinagh = 9 trieyn kerrinagh (0.84 m²) = 0.83612736 meteryn kerrinagh (m²)
perçh kerrinagh = 30.25 stundayrtyn kerrinagh = 25.2928526 meteryn kerrinagh (m²)
meeilley cherrinagh = 640 acyryn (2.6 km²) = 2.5899881103 kilometeryn kerrinagh (km²)

Formley

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Formley cadjin da eaghtyr:
Cummey Cormid Ceaghlee
Kerrin   She   lhiurid un çheu y cherrin.
Troorane cadjin (troorane co-lhiatteeagh)   She   lhiurid un çheu y troorane.
Shey-lhiattaghan cadjin   She   lhiurid un çheu y shey-lhiattaghan.
Hoght-lhiatteeane cadjin   She   lhurid un çheu y hoght-lhiatteeane.
Yl-lhiatteeane cadjin erbee   She   yn apothem, ny craue raadeeoil jeh kiarkyl grainnit 'syn yl-lhiatteeane, as she   ym-linney yn yl-lhiatteeane.
Yl-lhiatteeane cadjin erbee   She   y çheu-lhiurid as she   earroo ny çheughyn.
Yl-lhiatteeane erbee (jannoo ymmyd jeh towse keim)   She   y çheu-lhiurid as she   earroo ny çheughyn.
Kiare-chuilleig   She   as   lhiuridyn jeh çheughyn ny kiare-chuilleig (lhiurid as lheead).
Coheeyntane (dy cadjin)   She   as   lhiurid y vun as lhiurid yn yrjid jeeraghan, er lheh.
Rhombus   She   as   lhiuridyn daa hessen y rhombus.
Troorane   She   as   bun as yrjid (towsit ayns jeeraghan rish y vun), er lheh.
Troorane   She   as   daa çheu erbee, as she   yn uillin eddyr oc.
Kiarkyl   She   y chraue raadeeoil as she   y crantessen.
Eelips   She   as   ny h-essylyssyn lieh-vooar as lieh-veg, er mod.
Far-voayrdeen   She   as   ny çheughyn coheeynt as she   y foddeeaght (yrjid) eddyr ny colinnaghyn.
Slane eaghtyr y Rollian   She   as   y chraue raadeeoil as yn yrjid, er mod.
Eaghtyr lhiattagh y rollian   She   as   y chraue raadeeoil as yn yrjid, er mod.
Slane eaghtyr y chughlin   She   as   y chraue raadeeoil as yn yrjid sceau, er mod.
Eaghtyr lhiattagh y chughlin.   She   as   y chraue raadeeoil as yn yrjid sceau, er mod.
Slane eaghtyr ny cruinney   She   and   are the radius and diameter, respectively.
Slane eaghtyr yn eelipsoyd   Jeeagh er yn art.
Rheynnag chiarkylagh   She   as   y chraue raadeeoil as yn uillin (ayns raadjanyn), er mod.
Çhyndaays eaghtyr kerrinagh dys eaghtyr kiarkylagh   She   eaghtyr y cherrin ayns unnidyn kerrinagh.
Çhyndaays eaghtyr kiarkylagh dys eaghtyr kerrinagh   She   eaghtyr y chiarkyl ayns unnidyn kiarkylagh.

Ta ny calghoolyssyn shoh heose taishbyney c'red eaghtyr ram cummaghyn cadjin y gheddyn.

Imraaghyn

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