If angle bac 90 and ad⊥bc. then
WebIn Fig. 7.238, ∠BAC = 90° and AD ⊥ BC. Then, BD. CD = _________. Q. In figure, … Web31 mrt. 2024 · Solution For In the figure, ABC is a right angled triangle and BAC=90∘. If AD⊥BC and BD=DC then prove that BC2=4AD2. [9×3=27 Solution For In the figure, ... ABC is a right angled triangle and BAC=90∘. If AD⊥BC and BD=DC then prove that BC2=4AD2. [9×3=27 The world’s only live instant tutoring platform. Become a ...
If angle bac 90 and ad⊥bc. then
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Web∠A = 90° AD ⊥ BC at D. AB = 12 cm. AC = 16 cm. Concept used: Pythagoras' theorem … WebIn Δ ABC, if ∠A = 100° AD bisects ∠A and AD⊥BC. Then, ∠B = A. 50° B. 90° C. 40° D. 100° asked Apr 20, 2024 in Triangles by Madhuwant (38.1k points) triangles; class-9; 0 votes. 1 answer. In the given figure, AD⊥BC and AD is the bisector of angle BAC. Then, ΔABD ≅ ΔACD by RHS. asked Jun 4, 2024 in Triangles by RajeshKumar (50 ...
Web29 mrt. 2024 · In an equilateral triangle ABC, D is a point on side BC such that BD = 1/3 … Web28 jun. 2024 · In the figure, if ∠BAC = 90° and AD ⊥ BC. Then, (A) BD . CD = BC 2 (B) AB . AC = BC 2 (C) BD . CD = AD 2 (D) AB . AC = AD 2 Solution: (C) In ∆ABC, ∠B + ∠BAC + ∠C = 180° ⇒ ∠B + 90° + ∠C = 180° ⇒ ∠B = 90° – ∠C Similarly, In ∆ADC, ∠D AC = 90° – ∠C In ∆ADB and ∆ADC, ∠D = ∠D = 90° ∠DBA = ∠D AC [each equal to (90° – ∠C) ∴ ∆ADB ~ …
WebIn triangle ABC,AD is perpendicular to BC and AD 2=BD×DC. Prove that angle BAC=90 0. Medium Solution Verified by Toppr { Note:signs in figure show propotional sides ;not congruent sides} AD 2=BD×DC ⇒AD×AD=BD×DC ⇒ BDAD= ADDC In ΔABDandΔACD BDAD= ADDC and ∠ADB=∠ADC=90 0 ⇒ΔABD∼ΔACD { Note:signs in figure shows … Web∠A = 90° AD ⊥ BC at D AB = 12 cm AC = 16 cm Concept used: Pythagoras' theorem states that “In a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides. Calculation: AB 2 + AC 2 = BC 2 ⇒ 12 2 + 16 2 = BC 2 ⇒ 144 + 256 = BC 2 ⇒ 400 = BC 2 ⇒ 20 = BC Now, using similarity of triangle ABC and DBA.
WebIn given figure, ∠BAC=900, AD is its bisector. IF DE ⊥ AC, Prove that DE×(AB+AC)=AB×AC Q. In triangle ABC, ∠BAC=90∘, and AD is its bisector. If DE is drawn ⊥AC, prove that DE×(AB+AC)=AB×AC. Q. ∠BAC=90o, AD is its bisector. If DE⊥AC, prove that DE×(AB+AC)=AB×AC Q. In a Δ ABC, ∠ BAC =90o, AD is its bisector.
WebIn figure, ∠BAC = 90º and segment AD ⊥ BC. Prove that AD 2 = BD × DC. Advertisement Remove all ads Solution In ∆ABD and ∆ACD, we have ∠ADB = ∠ADC [Each equal to 90º] and, ∠DBA = ∠DAC [Each equal to complement of angle BAD i.e.,90° - ∠BAD \right] Therefore, by AA-criterion of similarity, we have ∆DBA ~ ∆DAC little big man custer scene youtubeWebGiven : ∠BAC = 90∘ and AD ⊥ BC Since, ∠BAC =90∘ ∴ BAC is a right angled triangle. Also, ∠ADB = ∠ADC = 90∘ [∴AD⊥BC]. ADB and ADC are also right angled triangles. Hence, there are 3 right-angled triangles BAC, ADB and ADC . Suggest Corrections 0 Video Solution EXEMP - Grade 06 - Mathematics - Geometry - Q15 Mathematics 02:39 … little big man contraryWebSolution: Given, ABC is a triangle Also, ∠BAC = 90°, AD ⊥ BC and ∠BAD = 50° We have to find the measure of ∠ACD. By angle sum property of a triangle, We know that the sum of all the three interior angles of the triangle is equal to 180 degrees. Considering triangle ABD, ∠ADB + ∠ABD + ∠BAD = 180° 90° + ∠ABD + 50° = 180° ∠ABD + 140° = 180° little big man directorWebIn triangle ABC,∠BAC=90 ∘, and AD is its bisector. If DE is drawn ⊥AC, prove that DE×(AB+AC)=AB×AC. Medium Solution Verified by Toppr It is given that AD is the bisector of ∠A of ΔABC. ∴ACAB= DCBD ⇒ ACAB+1= DCBD+1[Adding1onbothsides] ⇒ ACAB+AC= DCBD+DC ⇒ ACAB+AC= DCBC......(i) In ΔsCDEandCBA, we have … little big man grandfather death sceneWebIn the figure, ABC is a right angled triangle and BAC = 90°. If AD BC and BD=DC then prove that BC² = 4AD2. KSEAB mathematics model question paper -23 Show more Show more Prove that "the... little big man cavalry musicWeb17 apr. 2024 · Best answer ∠CAB = 90° and AD ⊥ BC If AC = 75 cm, AB = 1 m or 100 cm, BC = 1.25 m or 125 cm ∠BDA = ∠BAC = 90° ∠DBA = ∠CBA [common angles] By AA ∆BDA ~ ∆BAC And, ← Prev Question Next Question → Find MCQs & Mock Test JEE Main 2024 Test Series NEET Test Series Class 12 Chapterwise MCQ Test Class 11 Chapterwise … little big man film castWebIn the given figure , if ∠BAC=90 ∘ and AD⊥BC . Then , A BD.CD=BC 2 B AB.AC=BC 2 C BD.CD=AD 2 D AB.AC=AD 2 Medium Solution Verified by Toppr Correct option is C) In ΔADB and ΔADC , ∠BDA=∠ADC=90 ∘ [Given] ∠B=∠DAC=(90 ∘−C) ∴ΔADB∼ΔCDA [ By AA similarity criterion] ⇒ CDAD= CAAB= DADB ∴AD 2=BD⋅CD Was this answer helpful? 0 0 … little big man custer