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प्रश्नावली 9.2
स/आकृति 9.15 में, ABCD एक समांतर चतुर्भुज है,
AE LDC और CFL AD है। यदि AB = 16cm,
AE= 8 cm और CF-10cm है, तो AD ज्ञात कीजिए।
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Answers
Answered by
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Answer:
AD= 12.8 cm
Step-by-step explanation:
Given : AE perp. to DC, CF prep. to AD
AB : 16 cm
AE : 8 cm
CF : 10cm
To find : AD
solution : 16 x 8 ( area of ABCD) = 128 cm ^2
also, area (ABCD) = AD X CA
128 = AD X 10
AD = 128 / 10
= 12.8 cm
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