alleryತ್ರಿಕೋನ ಧ್ವಜವು ಬೇಸ್ 18 cm ಮತ್ತು ಎತ್ತರ 10 cm; ಅದರ ಪ್ರದೇಶ ಏನು?
A45 cm²
B28 cm²
C90 cm²
D180 cm²
Answer & Solution
Correct answer: C. 90 cm²
ಧ್ವಜದ ಪ್ರದೇಶವು ½ × 18 × 10 = 90 cm ².
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