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I have a question about my son's geometry?
My son got the following question incorrect on a geometry test, and I'm wondering whether anyone can explain why:
Jose wants to put a fence around his rectangular garden. His garden measures 33ft by 39ft. The garden has a path around it that is 3ft wide. How much fencing material does Jose need to enclose the garden and path?
We figured 33ft + 3ft on two sides (72 ft) plus 39ft + 3ft on the other two sides (84 ft), added together is 156 ft. But that was marked incorrect. Can anyone explain why? Thanks.
Thank you for the answer. You're absolutely right, and I feel like a dumba$$ now. Don't know how I missed it. I'll choose you as the best answer ASAP.
2 Answers
- hayharbrLv 79 years agoFavorite Answer
The sides next to the 33 ft side of the garden will be 33 + 3 + 3 = 39 ft (the fence extends 3 ft on both ends). The other sides will be 39 + 3 + 3 = 45 ft each.
So you'd do 39 x 2 + 45 x 2
- Anonymous7 years ago
complex step. look into yahoo and bing. that can help!