Mathematics: Find the perimeter of this semi-circle with diameter, d = 46cm, give your answer as an expression in terms of d cm the diagram is not drawn to scale.

Find the perimeter of this semi-circle with diameter,

cheesepatrol4878

03.01.2022

$\frac{\pi d}{2} +d$

Step-by-step explanation:

Circumference of circle = $\pi d$

Therefore,

Curved side of semi-circle= $\pi d / 2$

Perimeter of semi-circle= Curved side + diameter (straight side)

= $\frac{\pi d}{2} +d$

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