alleryത്രികോണാകൃതിയിലുള്ള പതാകയ്ക്ക് അടിസ്ഥാനം 18 cmഉം ഉയരം 10 cmഉം ഉണ്ട്; അതിൻ്റെ വിസ്തീർണ്ണം എന്താണ്?
A45 cm²
B28 cm²
C90 cm²
D180 cm²
Answer & Solution
Correct answer: C. 90 cm²
പതാകയുടെ വിസ്തീർണ്ണം ½ × 18 × 10 = 90 cm ² ആണ്.
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