Page 156 - Math Smart - 7
P. 156
Q KLMN is a trapezium.
^LMN = 57°. Find Az.
Q In the diagram, PQ/?5 is a rectangle.
a) Calculate the size of angle a and b respectively.
+ 20)°
b) Determine the value of x.
c) If PQ = 10 mm, what is the length of SR7
d) If QR is half the length of PQ, what is the length of PS7
>-<30°
e) What is the perimeter of rectangle PQRS7
In
0 the diagram,/4F, DFand Sf are straight lines.
a) Show that ACDf is an isosceles triangle.
b) If Cf is 5 cm, what is the length of DC?
0 the diagram ABCD is a kite.
In
Calculate the unknown angles.
0*Challenge!
This floor tile has the shape of a rhombus.
(23X-5)
a) Calculate the size of angle TUR.
b) Calculate the value of X.
c) Hence, show that the sum of the angles in a
quadrilateral is 360®.
Angles and Their Properties
I
