咁又太誇張了
但係你講嘅Post我地每年真係好多人入到
_____
/ \
/ \
/ \
/ \
| |
| |
| |
\ /
\ /
\ /
\_____/
/|
/ |
/ |
/ |
/ |
/ |
/ |
/_______|
diagonal^2 = side^2 + side^2
= 2^2 + 2^2
= 8
diagonal = sqrt(8) = 2sqrt(2)
_____
/ \
/ x \
/ \
/ \
| |
| x |
| |
\ /
\ /
\ x /
\_____/
/|
/ |
/ |
/ |
/ |
/ |
/ x |
/_______|
(x/2)^2 + (x/2)^2 = (2sqrt(2))^2
x^2/4 + x^2/4 = 8
x^2 = 32
x = sqrt(32) = 4sqrt(2)