Answer:
The four pieces cut off can be arranged into two squares with sides of length b feet and hence the area of the octagon is w 2 - 2 b 2 square feet. Since w = 12 feet, all that is needed is to find b. square feet which is approximately 119 square feet.
Step-by-step explanation:
Answer:
She started with 200 stamps
Step-by-step explanation:
Answer:
120m
Step-by-step explanation:
because 30×4 is 120
