Respuesta :

15.3 hope this helps
that is a right triangle
so legs are 5.3 and 3
so
if legs are a and b and hytponuse is c then
a²+b²=c²
so
5.3²+3²=c²
where c=RP

28.09+9=c²
37.09=c²
sqrt both sides
√37.09=c
about6.09016
so about 6.1
2nd one is answer
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