alleryएक त्रिकोणीय झंडे का आधार 18 cm और ऊंचाई 10 cm है; इसका क्षेत्रफल क्या है?
A45 cm²
B28 cm²
C90 cm²
D180 cm²
Answer & Solution
Correct answer: C. 90 cm²
झंडे का क्षेत्रफल ½ × 18 × 10 = 90 सेमी ² है।
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