Question

problem 4
decide whether each quantity describes a circles circumference or area.
circumference
area
the amount of ribbon
needed to wrap around
a circular present.
the amount of paint
needed to cover a
circular canvas.
the amount of grass
inside of a circular
track.
how long it takes to
run around a circular
track.

Explanation:

• Circumference: It is the distance around a circle. The ribbon around the present and the time to run around the track relate to the distance around (circumference).
• Area: It is the measure of the region inside a circle. The paint covering the canvas and the grass inside the track relate to the region inside (area).

Answer:

• Circumference: The amount of ribbon needed to wrap around a circular present; How long it takes to run around a circular track.
• Area: The amount of paint needed to cover a circular canvas; The amount of grass inside of a circular track.