Question

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Write the area of a semi circle of diameter d'​

Answer 1

Answer:

if diameter is d then radius is d/2

area of circle=pi×(d/2)²

area of semicircles = (22/7×d/2)/2

Answer 2

The area would be $=\dfrac{\pi d^2}{8}$ unit²

Step-by-step explanation:

Since, the area of semicircle is,

$A=\frac{\pi r^2}{2}$

Where,

r = radius of the circle,

Also,

$Radius=\frac{\text{Diameter}}{2}$

If Diameter = d units,

$r=\frac{d}{2}$

By the above formula,

The area of the semicircle is,

$A=\frac{\pi (\frac{d}{2})^2}{2}$

$=\frac{\pi \frac{d^2}{4}}{2}$

$=\frac{\pi d^2}{8}\text{ square unit}$

#Learn more:

The area of a semicircle is 308mtr² then find the radius of circle​

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