Question

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Answer 1

Answer:

$221.69952$ $cm^{2}$

Step-by-step explanation:

$A=\pi r^{2}$

$r=d/2\\r=16.8/2\\r=8.4$

$A=3.142 \times 8.4^{2}$

$A=221.69952$

Answer 2

Answer:

221.69952 cm^2

Solution,

diameter=16.8 cm

radius=8.4 cm

Area of circle= pi r^2

= 3.142*(8.4)^2

=221.69952 cm^2

Hope it helps

Good luck on your assignment