A^2 + b^2 = c^2
132^2 + b^2 = 157^2
17424 + b^2 = 24,649
b^2 = 24,649 - 17424
b^2 = 7225
b = square root 7225
b = 85 <== the missing leg is 85 units
Lauras step is correct...she rearranged the formula making it :
b^2 = c^2 - a^2.....and subbed in numbers correctly. She just didn't finish
I'm pretty sure SSA postulate doesn't exist
Translation of 7 to the left and 4 down
I don't know about the top half but I know the bottom half. P.S. I'm sorry
8. AB is congruent to BC
9. EC is congruent to ED
10. angle TRS is congruent to angle RST
11. 42°
12. 76°
13. 12
14. 60°
15. 7
16. 4
17. angle ADC
18. angle 1 & 5 and angles 3 & 4
19. AC and DC
Answer:
5x - 5y
Step-by-step explanation: