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Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


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Ex 8.1, 10 ABCD is a parallelogram and AP and CQ are perpendiculars from vertices A and C on diagonal BD. Show that Δ APB ≅ Δ CQD Given: ABCD is a parallelogram with AP ⊥ BD & CQ ⊥ BD To prove: Δ APB ≅ Δ CQD Proof: Now, AB ∥ DC and transversal BD. ∠ABP = ∠CDQ, In ΔAPB and ΔCQD, ∠APB = ∠CQD ∠ABP = ∠CDQ AB = CD ∴ ΔAPB ≅ ΔCQD Ex 8.1, 10 ABCD is a parallelogram and AP and CQ are perpendiculars from vertices A and C on diagonal BD. Show that (ii) AP = CQ In previous part, we proved that ΔAPB ≅ ΔCQD, ∴ AP = CQ Hence proved

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.