Question

The area of a circle of diameter d is ?​

Answer 1

• ᴛʜᴇ ғᴏʀᴍᴜʟᴀ ғᴏʀ ᴄᴀʟᴄᴜʟᴀᴛɪɴɢ ᴛʜᴇ ᴀʀᴇᴀ ᴏғ ᴀ ᴄɪʀᴄʟᴇ ɪs $\tt\small{ᴀ\: =\: π\:ʀ}^{2}$ᴡʜᴇʀᴇ ᴘɪ (π) ᴇǫᴜᴀʟs 3.14 ᴀɴᴅ ᴛʜᴇ ʀᴀᴅɪᴜs (ʀ) ɪs ʜᴀʟғ ᴛʜᴇ ᴅɪᴀᴍᴇᴛᴇʀ.

Answer 2

Answer:

A = π(d/2)²

Step-by-step explanation:

The formula for calculating the area of a circle is A = πr² where pi (π) equals 3.14 and the radius (r) is half the diameter

If we take d , instead of r

A = π(d/2)²

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