construct a ∆XYZin which YZ=4cm,angel Y=110°andvangleX=30°.is it a unique triangle?
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i can't construct it but I can tell you how you can construct
first make base YZ of 4 cm
from point Y you can make 110 degree angle by D
then by using property that sum of angle of triangle is 180 degree you can fine z
110 Plus 30 plus z is equal to 180
140 plus z is equal to 180
z equal to 180 - 140
z equal to 40 degree
now point from point z make an angle of 40 degree
draw a line of 40 degree from point z and from point y a 110 degree
the point the the both line intersect each other it will be X
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