ReginaPhalange@lemmy.world to No Stupid Questions@lemmy.world · 17 天前How do we know that the ratio between the circumference and the diameter of a circle is preserved across radius sizes?message-squaremessage-square12fedilinkarrow-up133arrow-down11
arrow-up132arrow-down1message-squareHow do we know that the ratio between the circumference and the diameter of a circle is preserved across radius sizes?ReginaPhalange@lemmy.world to No Stupid Questions@lemmy.world · 17 天前message-square12fedilink
minus-squareThatGuy46475@lemmy.worldlinkfedilinkarrow-up4·16 天前There’s always a unit that makes the radius 1, 1cm, 1 foot, 1 furlong, one light year, 1 of something else. So the math for a circle of radius 1 would still hold.
There’s always a unit that makes the radius 1, 1cm, 1 foot, 1 furlong, one light year, 1 of something else. So the math for a circle of radius 1 would still hold.