alleryत्रिकोणी ध्वजाचा पाया आहे 18 cm आणि उंची 10 cm; त्याचे क्षेत्रफळ किती आहे?
A45 cm²
B28 cm²
C90 cm²
D180 cm²
Answer & Solution
Correct answer: C. 90 cm²
ध्वजाचे क्षेत्रफळ ½ × 18 × 10 = 90 सेमी ² आहे.
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