18. Calculate the missing length.
1.35m
3.25m

A²+B²=C²
1.35² + 3.25² = C²
1.8225 + 10.5625 = C²
C² = 12.385 m²
C= 3.519
C = 3.52 m
The length equal 3.52
I hope I helped you^_^