alleryமுக்கோணக் கொடியின் அடிப்பகுதி 18 cm மற்றும் உயரம் 10 cm; அதன் பரப்பளவு என்ன?
A45 cm²
B28 cm²
C90 cm²
D180 cm²
Answer & Solution
Correct answer: C. 90 cm²
கொடியின் பரப்பளவு ½ × 18 × 10 = 90 cm ².
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