20 m از 15 m لان میں اس کے باہر چاروں طرف 2 m چوڑا راستہ ہے۔ راستے کا علاقہ کیا ہے؟
A140 m²
B136 m²
C156 m²
D176 m²
Answer & Solution
Correct answer: C. 156 m²
بیرونی مستطیل 24 x 19 = 456 m² ہے، لان سے مائنس 300 m²، چھوڑ کر 156 m²۔
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