Question

11. In Fig. 12.135, the measure of ZB'A'C' is
A
3x
2x + 20
6 cm
6 cm
60°
60°
B
5 cm
с
В'
5 cm
C
Fig. 12.135
(a) 50
(b) 60°
(c) 70°
(d) 80°​

Answer 1

Answer:

60

Step-by-step explanation:

they are congruent triangle because of SAS conditition

so 3x=2x+20