Question

calcule as incógnitas

Answer 1

g)

(PX)²=PAxPB

(PX)²=(6+18)(6)

(PX)²=24x6

(PX)²=144

PX=√144

PX=12



h)

PAxPB=PCxPD

(x+x)x=(4+12)4
(2x)x=(16)4
x²=(16)2
x²=32
x=√32
ou
x=5,65