Practice Set 8.3
(1) Observe
XYZW
and answer the following questions:
(i)
Which side is opposite to side XY?
(ii)
Which are the adjacent sides of side XW?
(iii)
Which is the opposite angle of ∠W?
(iv)
Which are the adjacent angles of ∠Z?
(v)
Which are the diagonals of
XYZW?
Solution — Question 1
Ans (i)
The opposite side of side XY is side WZ.
Ans (ii)
The adjacent sides of side XW are side XY and side WZ.
Ans (iii)
The opposite angle of ∠W is ∠Y.
Ans (iv)
The adjacent angles of ∠Z are ∠Y and ∠W.
Ans (v)
The diagonals of
XYZW are seg XZ and seg YW.
(2) Write the opposite angles in
PQRS.
Solution — Question 2
Ans (i)
∠P and ∠R are opposite angles.
Ans (ii)
∠Q and ∠S are opposite angles.