Question

The lengths of the sides of a rectangle are doubled. Which statement is true about the rectangle?

a.Its area and perimeter become double.
b.Its area becomes four times greater, and perimeter becomes double.
c.Its area and perimeter become four times greater.
d.Its area becomes double, and perimeter becomes four times greater.

Answer 1

lengths of sides are increased by a factor of 2
so the area goes up by factor of 2^2
the per meter is a length so it increases same as sides - doubled

Answer 2

whats 2^2 pink?
same as 2 times 2
so can you see which option is correct?

Answer 3

mybad i was eating . but 2x2 is 4