alleryA 7 m by 3 m દિવાલમાં 2 m² વિન્ડો છે; કયા વિસ્તારને પેઇન્ટિંગની જરૂર છે?
A19 m²
B23 m²
C21 m²
D16 m²
Answer & Solution
Correct answer: A. 19 m²
રંગવા યોગ્ય વિસ્તાર છે 7 × 3 − 2 = 19 m².
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