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In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a square constructed on side AD in the exterior of the quadrilateral ABCD. If BC = 10 cm, AC = 9 cm and BD = 8 cm, then the area (in cm2) of the square ADEF lies between
  • a)
    70 and 80
  • b)
    60 and 70
  • c)
    50 and 60
  • d)
    40 and 50
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a squ...
I'm sorry, but you haven't provided any information about quadrilateral ABCD. Can you please provide more details or a diagram?
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In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a squ...
In Δ PBD = BP2 + PD2 = BD2 …(i)
In Δ PAD = PA2 + PC2 = AC2 …(ii)
from equation (i) and (ii)

BP2 + PA2 + PD2 + PC2 = BD2 + AC2
(BP2 + PC2) + (PA2 + PD2) = BD2 + AC2
BC2 + AD2 = 92 + 82
AD = 
AD = 3√5
arWADEF = (AD)2 = 45
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In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a square constructed on side AD in the exterior of the quadrilateral ABCD. If BC = 10 cm, AC = 9 cm and BD = 8 cm, then the area (in cm2) of the square ADEF lies betweena)70 and 80b)60 and 70c)50 and 60d)40 and 50Correct answer is option 'D'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a square constructed on side AD in the exterior of the quadrilateral ABCD. If BC = 10 cm, AC = 9 cm and BD = 8 cm, then the area (in cm2) of the square ADEF lies betweena)70 and 80b)60 and 70c)50 and 60d)40 and 50Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a square constructed on side AD in the exterior of the quadrilateral ABCD. If BC = 10 cm, AC = 9 cm and BD = 8 cm, then the area (in cm2) of the square ADEF lies betweena)70 and 80b)60 and 70c)50 and 60d)40 and 50Correct answer is option 'D'. Can you explain this answer?.
Solutions for In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a square constructed on side AD in the exterior of the quadrilateral ABCD. If BC = 10 cm, AC = 9 cm and BD = 8 cm, then the area (in cm2) of the square ADEF lies betweena)70 and 80b)60 and 70c)50 and 60d)40 and 50Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 10. Download more important topics, notes, lectures and mock test series for Class 10 Exam by signing up for free.
Here you can find the meaning of In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a square constructed on side AD in the exterior of the quadrilateral ABCD. If BC = 10 cm, AC = 9 cm and BD = 8 cm, then the area (in cm2) of the square ADEF lies betweena)70 and 80b)60 and 70c)50 and 60d)40 and 50Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a square constructed on side AD in the exterior of the quadrilateral ABCD. If BC = 10 cm, AC = 9 cm and BD = 8 cm, then the area (in cm2) of the square ADEF lies betweena)70 and 80b)60 and 70c)50 and 60d)40 and 50Correct answer is option 'D'. Can you explain this answer?, a detailed solution for In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a square constructed on side AD in the exterior of the quadrilateral ABCD. If BC = 10 cm, AC = 9 cm and BD = 8 cm, then the area (in cm2) of the square ADEF lies betweena)70 and 80b)60 and 70c)50 and 60d)40 and 50Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a square constructed on side AD in the exterior of the quadrilateral ABCD. If BC = 10 cm, AC = 9 cm and BD = 8 cm, then the area (in cm2) of the square ADEF lies betweena)70 and 80b)60 and 70c)50 and 60d)40 and 50Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice In quadrilateral ABCD, ∠ABC + ∠DCB = 90° and ADEF is a square constructed on side AD in the exterior of the quadrilateral ABCD. If BC = 10 cm, AC = 9 cm and BD = 8 cm, then the area (in cm2) of the square ADEF lies betweena)70 and 80b)60 and 70c)50 and 60d)40 and 50Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice Class 10 tests.
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