Question

= 70°. Find the
10. In Figure 4, ABCD is a parallelogram in which angleADC = 60° and angleACB
measures of angleDCB, angleCAB and angleDAC.
11. In Figure 5, ABCD is a parallelogram. Find the values of a, b, c and d.
12. In Figure 6, find the values of a, b, c and d, given that ABCD is a parallelogram.
B
A
A
B
A
B
bº
1150
500
2aº
a
700
d
dº
CNC
3a
Tag
4600
D
С
C С
D
D
140°
Fig. 5
Fig. 4
Fig. 6
CIL TYPES OF QUADRILATERALS ! 71​

Answer 1

Answer:

what the heck is this is this a normal question

Answer 2

Answer:

Figure 4, ABCD is a parallelogram in which angleADC = 60° and angleACB

measures of angleDCB, angleCAB and angleDAC.

11. In Figure 5, ABCD is a parallelogram. Find the values of a, b, c and d.