Mathematics · Geometry
यदि ΔABC में, DE || AC है, जहाँ D और E क्रमशः भुजाओं AB और BC पर स्थित बिंदु हैं। यदि BD और BA का अनुपात 11 : 16 है, तो ΔBDE के क्षेत्रफल का समलंब (trapezium) ADEC के क्षेत्रफल से क्या अनुपात है?
- 1122 : 136
- 2121 : 135✓
- 3135 : 121
- 4136 : 122
सही उत्तर देखें
121 : 135
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