Options
- 2cm2
- 4cm2
- 8cm2
- 8cm2
The correct answer is B.
Explanation:
On a map, 1cm represents 5km. Then it follows that 1cm2 represents 25km2.
Acm2represents 100km2. By apparent cross-multiplication, 1cm2 x 100km2 = Acm2x
25km2 therefore A =100/25
A = 4cm2