Maths - Circles

What is the circumference of the circle?

• $10.1cm$

• $20.1cm^2$

• $10.1cm^2$

• $20.1cm$

What is the area of this circle?

• $7.85cm^2$

• $25cm^2$

• $19.6cm^2$

• $78.5cm^2$

Find the area of the garden around the pond.

• $67.4m^2$

• $29.7m^2$

• $80m^2$

• $12.6m^2$

People at a conference are to sit around circular tables. 100 people are invited to the conference, and each person needs 0.45m around the table's circumference.

a. Each table has a diameter of 2.5m, Find the circumference of one table.

• $78.5m$

• $7.85m$

• $3.93m$

• $4.91m^2$

People at a conference are to sit around circular tables. 100 people are invited to the conference, and each person needs 0.45m around the table's circumference.


b. How many people can fit on one table if the circumference of one table is 7.85m

•  $17$ 

•  $18$ 

•  $16$ 

•  $19$ 

People at a conference are to sit around circular tables. 100 people are invited to the conference, and each person needs 0.45m around the table's circumference.


c. If 17 people fit on one table, how many tables are required to fit the 100 people?

•  $5$ 

•  $7$ 

•  $6$ 

•  $8$