WebIn a trapezium ABCD, if AB CD, then prove that AC²+BC²=BC²+AD²+2AB*CD? I previously showed in my answer to the original question below that for an isosceles trapezium, AC^2 … WebMar 11, 2016 · Given : ABCD is a trapezium with AB CD Construction : Draw DE and CF ⊥ to AB Then in Δ ABC ∠BAC is acute ∴ BC2 = AC2 + AB2 – 2 AF : AB ..... (1) and In Δ BDA ∠DBA is acute ∴ AD2 = BD2 + AB2 – 2 BE : AB ..... (2) Adding (1) and (2) we get BC2 + AD2 = AC2 + BD2 +2AB2 – 2AF ·AB – 2BE·AB ⇒AC2 +BD2 = BC2 + AD2 – 2 AB [AB – AF – BE]
In a trapezium ABCD If AB∥CD, thee AC2+BD2is equal to: Filo
WebDec 6, 2024 · ABCD is a trapezium where AB CD. Let AB = b , CD = a where a < b. Let S be the area of trapezium ABCD. It is given that [ΔBOC] = 2S 9. Find the value of b a. Related … WebSolution Verified by Toppr Correct option is D) In the triangle BCD cosα= p 2+q 2q and sinα= p 2+q 2p Using sine rule in triangle ABD sinθAB= sin(θ+α)BD ⇒AB= sinθcosα+cosθsinα p 2+q 2sinθ = p 2+q 2sinθ⋅q+ p 2+q 2cosθ⋅pp 2+q 2sinθ ⇒AB= (pcosθ+qsinθ)(p 2+q 2)sinθ Video Explanation Was this answer helpful? 0 0 how do i find the comet
In a trapezium ABCD, if AB CD, then AC2+BC2 is equal to?
WebGeometry - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. formulas on geometry WebDec 4, 2024 · In a trapezium ABCD, AB DC and DC = 2AB. EF A B,where E and F lie on BC and AD respectively BE/EC = 4/3. Diagonal DB intersects EF at G. Prove that, 7EF = 11AB cbse class-10 1 Answer +1 vote answered Dec 4, 2024 by Maryam (79.7k points) selected Dec 19, 2024 by Vikash Kumar Best answer Adding eqns. (ii) and (iii), WebDec 13, 2011 · Given : ABCD is a trapezium with AB CD Construction : Draw DE and CF ⊥ to AB Then in Δ ABC ∠BAC is acute ∴ BC 2 = AC 2 + AB 2 – 2 AF : AB ..... (1) and In Δ BDA ∠DBA is acute ∴ AD 2 = BD 2 + AB 2 – 2 BE : AB ..... (2) Adding (1) and (2) we get BC 2 + AD 2 = AC 2 + BD 2 +2AB 2 – 2AF ·AB – 2BE·AB ⇒AC 2 +BD 2 = BC 2 + AD 2 – 2 AB [AB – AF – … how do i find the date an app was downloaded