It depends on whether you mean 78 inches by 42 inches or 78 inches by 42 feet or miles or whatever.
42 centimeters = about 16.5 inches (16.5354331 inches)
42 inches = 3.5 feet.
42 centimeters=16.5354331 inches
42 millimeters = 1.65 inches.
The answer will depend on whether the length is 42 inches, 42 feet or even 42 miles!
It depends on whether you mean 78 inches by 42 inches or 78 inches by 42 feet or miles or whatever.
There are 1066.8 millimeters in 42 inches.
42 centimeters = about 16.5 inches (16.5354331 inches)
42 centimeters=16.5354331 inches
42 inches = 3.5 feet.
42 feet = 504 inches
42 inches is 106.68 centimeters.
42 centimeters=16.5354331 inches
42 cm = 16.5354 in FYI: Google "convert 42 cm to inches"
It is about 42 inches
30 in × 42 in = 1260 sq in