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425

Q:

एक कमरे की चौड़ाई 'बी' उसकी ऊंचाई की दोगुनी और लंबाई की आधी है। कमरे के सबसे लंबे विकर्ण की लंबाई ज्ञात कीजिए।

  • 1
    $$ {\sqrt { 20} \ b }\over 2 $$
  • 2
    $$ { b }\over 2 $$
  • 3
    $$ {\sqrt { 21} \ b }\over 2 $$
  • 4
    $$ {\sqrt { 19} \ b }\over 2 $$
  • Show Answer
  • Workspace

Answer : 3. "$$ {\sqrt { 21} \ b }\over 2 $$"

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