Answer:
The two middle ones: 15cm and 10cm; 5cm and 20cm
Step-by-step explanation:
The first one would be a rectangle with a perimeter of 100, while the last would have a perimeter of 30.
Answer:
Step-by-step explanation:
Add 81 to both sides:
The building would be 100ft tall. You have to take 20/6 = ?/30 The difference between 6 and 30 is x5. Then all you have to do is 20x5 and you get 100ft.
Answer:
Yes
Step-by-step explanation:
Yes the answer would be B
