Pentagon shine ɗayan shahararrun gine-gine a duniya. Koyaya, ba kowa ya san irin aikin da ake yi a ciki ba, da kuma dalilin da ya sa aka gina shi. Ga wasu, wannan kalmar tana haɗuwa da wani abu mara kyau, yayin da kuma ga wasu yana haifar da motsin rai mai kyau.
A cikin wannan labarin, zamuyi magana game da menene pentagon, banda manta ambaton ayyukanta da wurinta.
Gaskiya mai ban sha'awa game da Pentagon
Pentagon (Hellenanci πεντάγωνον - "pentagon") - hedikwatar Ma'aikatar Tsaro ta Amurka a cikin tsari mai fasalin pentagon. Don haka, ginin ya samo sunan daga fasalinsa.
Gaskiya mai ban sha'awa ita ce Pentagon tana matsayi na 14 a cikin mafi girman tsarin, dangane da yanki, a doron ƙasa. An gina ta a tsayin Yaƙin Duniya na II - daga 1941 zuwa 1943. Pentagon yana da rabo masu zuwa:
- kewaye - kimanin. 1405 m;
- tsawon kowane bangare na 5 ya kai mita 281;
- jimillar layukan dogayen kilomita 28 ne;
- jimlar yanki na hawa 5 - 604,000 m².
Abin mamaki, Pentagon yana ɗaukar kusan mutane 26,000! Wannan ginin yana da 5 a saman ƙasa da kuma hawa biyu na ƙasa. Koyaya, akwai nau'ikan da gwargwadon su akwai masu hawa 10 a ƙarƙashin ƙasa, banda ƙididdigar rami da yawa.
Yana da kyau a lura cewa a dukkan benaye na Pentagon akwai 5-adadin 5-gons, ko "zobba", da kuma hanyoyin sadarwa 11. Godiya ga irin wannan aikin, duk wani wuri mai nisa na ginin ana iya isa shi cikin mintuna 7 kawai.
Yayin gina Pentagon a 1942, an gina banɗakun banɗaki don ma'aikata fari da baƙaƙe, don haka jimlar ɗakunan bayan gida sun wuce ka'ida sau 2. An ware dala miliyan 31 don gina hedkwatar, wanda a yau ya zama dala miliyan 416.
Harin ta'addanci a 11 ga Satumba 2001
A safiyar ranar 11 ga Satumbar, 2001, Pentagon ta kai harin ta'addanci - jirgin fasinjan fasinja Boeing 757-200 ya fado cikin reshen hagu na Pentagon, inda shugabancin rundunar ta Amurka yake.
Wannan yanki ya lalace ta hanyar fashewa da kuma sakamakon wuta, sakamakon wani bangare na abin ya fadi.
Wasu gungun ‘yan kunar bakin wake sun kame Boeing din suka aika shi Pentagon. Sakamakon harin ta'addancin, ma'aikata 125 da fasinjoji 64 na jirgin sun mutu. Gaskiya mai ban sha'awa ita ce, jirgin saman ya ruguza tsarin cikin saurin 900 km / h, yana lalatawa da lalata kusan goge-goge 50!
A yau, a cikin reshe da aka sake ginawa, ana buɗe Tunawa da Pentagon don tunawa da waɗanda ma'aikata da fasinjoji suka shafa. Abin tunawa shine wurin shakatawa tare da benci 184.
Wani abin lura shi ne jimlar hare-haren ta’addanci 4 da ‘yan ta’adda suka kai a ranar 11 ga Satumbar 2001, a lokacin da mutane 2,977 suka mutu.
