2/5
False: Ratio areas= 16 : 64 = 1 : 4 Ratio of sides = sqrt(ratio of areas) = 1 : 2
If the diameter of a circle is quadrupled, the circle's area goes up 16 times as area is proportional to diameter squared. Remember area = pi /4 times diameter squared -------------------------------------------------------------------------- In any ratio of shapes: whatever the ratio of the lengths, the ratio of the areas is the square of that ratio. In this case, the ratio is 1:4, so the areas are in the ratio of 1²:4² = 1:16; ie as the length of the diameter is quadrupled (ratio 1:4), the area becomes 16 times bigger (1:16).
1::2 is the simplest form...
6:8, 9:12, 12:16 etc.... You should multiply or divide both numbers by the same number. ex: 3x2=6 and 4x2=8 3x3=9 and 4x3=12 3x4=12 and 4x4=16 But if we have this ratio for example (12:16), we could also use division. ex: 12÷2=6 and 16÷2=8
The ratio is 8 : 16 or 8/16 or 1/2 or 0.5 .
2
Expressed as a ratio in its simplest form, 16:24 is equal to 2:3.
16 ÷ 1 = 32 ÷ 2 16 = 16
16/24 = 2/3
It is: 16/24 = 2/3
It is 2 : 1 : 8.
1/8 as a ratio is equivalent to 2/16
It is: 8 to 1
It is: 2/1
The ratio is 3:2
1 : 2 : 4