Question

Donna makes a round pizza. She wants to put a cheese layer on the pizza. If the pizza is 28 cm in diameter, how many square cm of cheese layer must she needs to put on the pizza

Answer 1

Answer:

616 cm^2

Step-by-step explanation:

Radius = r = diameter÷2 = 28cm÷2 = 14cm

Area of the pizza = πr^2 cm^2

= 22/7×14×14 cm^2

= 22×2×14 cm^2 ( 7 & 14 cuts )

= 616 cm^2

Answer 2

Answer:

87.96(approx. 88sq.cm)

Step-by-step explanation:

Diameter of pizza=28cm.

To know that how much sq.cm of cheese Donna needs to put on pizza = Area of pizza.

Area of pizza=πd(diameter)

=22×28

7

=22×4 = 88cm.

1

HOPE IT HELPS YOU.