Answer:
#1
Verify the ratios of corresponding sides are same
ΔABC and ΔXYZ
- 12/18 = 15/25.2
- 0.666 ≠ 0.595
- No
ΔDEF and ΔXYZ
- 10/18 = 14/25.2
- 0.555 = 0.555
- Yes
#13
Define the scale factor and use it to fid the missing sides
Scale factor is:
The other sides:
