alleryایک کمرہ 10 میٹر لمبا، 8 میٹر چوڑا اور 3 میٹر اونچا ہے۔ اس کی چار دیواری کا کل رقبہ کتنا ہے؟
A240 m²
B108 m²
C216 m²
D144 m²
Answer & Solution
Correct answer: B. 108 m²
چار دیواروں کا رقبہ 2(l + b)h = 2 x 18 x 3 = 108 مربع میٹر ہے۔
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