The base length is 27 cm.
area of a parallelogram is A=b*h
plug in the known area and height into the formula: 513=19*b
divide off the 19: b=27
It is x * y * z for a little hint
Answer:
in triangle PON
relationship between perpendicular and hypotenuse is given by sin angle
sinx°=p/h=19/49=
x°=sin-¹(19/49)=22.81=23°
yeah you are right.
