#37) In the given triangles, Angle Y equals Angle X, and Angle A equals angle B. Side YZ is congruent to Side BC. Side YX is shorter than Side BA. Which of the following must be true?
?.?.
A. Angle Z is larger than Angle C
B. Angle Z is smaller than Angle C
C. Angles A, B, and C are all equal 60 degrees
D. Angle Z equals Angle C
E. Angle X equals Angle A
#38) Calculate area. Show all necessary area using equations. Organize your work and do it neatly.
The following diagram shows the floor of a room. OAB is a sector of a circle with centre O, OA = OB=12m and \(\angle AOB = 110^{\circ}\). OAED and OBCD are trapeziums. Calculate the area of the floor.
20 m
A
E
10 m
16 m
D
O
10 m
B
20 m