0-10. Solve using the 4-step process.

Emil will photo collage by filling a circular cardboard with pictures. The cardboard has a diameter of 40 cm.What is the area of the cardboard?

a. What is asked?

b. What are the given facts?

c. What operation is needed?

d. What is the number sentence? e, What is the answer?

Kailangan po lahat ng Abcde aansweran po lahat ​