to long di Bantu ya..

nomor 1.
r = (√5²+2²)
r = (√25+4)
r= √29 cm

Nomor 2
x = (√8²+ 6²)
x = (√64+36)
x = √100
x = 10 cm

Rumus Phytagoras

1.
r = √ ( a^2 + b^2 )
r = √ ( 2^2 + 5^2 )
r = √ ( 4 + 25 )
r = √ 29 cm

2.
x = √ ( a^2 + b^2 )
x = √ ( 8^2 + 6^2 )
x = √ ( 64 + 36 )
x = √ 100
x = 10 cm