Mathematics
The diameter of a circle is 14 cm. If it is doubled, the perimeter of the resulting circle will become:
four times
doubled
halved
three times
Related Questions
The following diagram shows a pentagonal field ABCDE in which the lengths of AF, FG, GH and HD are 50 m, 40 m, 15 m and 25 m respectively; and the lengths of perpendiculars BF, CH and EG are 50 m, 25 m and 60 m respectively. Determine the area of the field.
If the radius of a circle is doubled, then its area will become :
doubled
halved
four times
three times