r = 7 cm ഉം l = 25 cm ഉം (pi = 22/7) ഉള്ള ഒരു കോണിന്റെ ആകെ ഉപരിതല വിസ്തീർണ്ണം കണ്ടെത്തുക.
A704 cm²
B858 cm²
C154 cm²
D550 cm²
Answer & Solution
Correct answer: A. 704 cm²
ആകെ വിസ്തീർണ്ണം pi r (l + r) = 22 x 32 = 704 ചതുരശ്ര സെന്റീമീറ്റർ, വളഞ്ഞ ഭാഗം 550 പ്ലസ് ബേസ് 154.
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