1 Answer

Anjruu · Answer 1 · 2023-08-09T16:04:54+0000

Part (a):

The circumference of the circle can be determined as,

$\begin{gathered} C=2\pi r \\ =2*3.14*46\text{ cm} \\ =288.88\operatorname{cm} \end{gathered}$

Thus, the circumference of the circle is 288.88 cm

The area of the circle can be determined as,

$\begin{gathered} A=\pi r^2 \\ =3.14*(46)^2 \\ =6644.24cm^2 \end{gathered}$

Thus, the required area of the circular mirror is 6644.24 square centimeters.

Part (b):

When the mirror's glass is replaced its area is measured.

Part (c):

When the silver wire is placed around the mirror its circumference is measured.

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