COS ABC=CB/AB
AB=CB/COS ABC
AB= 6/COS 20°
Ab≈14.7 cm
SIN MPN=MN/PN
MN= PN*SIN MPN
MN= 5*SIN 45°
MN≈4.3cm
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COS ABC=CB/AB
AB=CB/COS ABC
AB= 6/COS 20°
Ab≈14.7 cm
SIN MPN=MN/PN
MN= PN*SIN MPN
MN= 5*SIN 45°
MN≈4.3cm