If it's a right angle triangle then you'll have difficulty in finding the obtuse angle because it will not have one.
300mm is 9.72 x 10-18 parsecs.
450mm x 300mm 45cm x30cm 1350cm
30cm
..about 300mm
30cm = 300mm
About 300mm a year
11.8110236
3 cm.
32cm
300mm =11.81 inches Direct Conversion Formula 300 mm* 1 in 25.4 mm = 11.81102362 in
The volume of a 300mm diameter by 600mm deep cylinder is: 42,412,000 mm3
11.7 inches