Question

Michelle Obama helped design the 3520 - piece China set that was used at the White House. The ten-inch dinner service plate was first used for the then- current Japanese Prime Minister. Determine the area of the ten-inch service plate.

Answer 1

assuming 10 inches is the diameter

Answer:

≈

79

square inches.

Step-by-step explanation:

The area of a circle is given by formula:

π

r

2

Where,

π

has a constant value of

3.14

and

r

denotes the radius.

The radius of the circle is , half the diameter =

d

2

=

10

2

=

5

inches

The area

=

π

r

2

=

3.14

×

(

5

)

2

=

3.14

×

(

25

)

=

78.5

square inches.

≈

79

square inches