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Mei is building a garden in the shape of an isosceles triang
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01 Sep 2020, 03:42
01 Sep 2020, 03:42
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Expert Reply
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Question Stats:
67% (01:57) correct
32% (01:58) wrong based on 34 sessions
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Mei is building a garden in the shape of an isosceles triangle with one side of 10. If the perimeter of the garden is 32, which of the following is a possible area of the garden?
A. 32
B. 48
C. 50
D. 60
E. 64
KUDOS for the right solution and explanation
A. 32
B. 48
C. 50
D. 60
E. 64
KUDOS for the right solution and explanation
Re: Mei is building a garden in the shape of an isosceles triang
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01 Sep 2020, 22:52
01 Sep 2020, 22:52
This needs explanation plz
Re: Mei is building a garden in the shape of an isosceles triang
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02 Sep 2020, 02:31
02 Sep 2020, 02:31
Expert Reply
To find one of the possible areas, draw out a 10-10-12 triangle.
screenshot.44.png [ 10.75 KiB | Viewed 1659 times ]
Notice how one side is 10 and half base is 6. Therefore, the height must be 8
So the area is \(\frac{1}{2} b \times h\)
\(\frac{1}{2} \times 12 \times 8 = 48\)
Attachment:
screenshot.44.png [ 10.75 KiB | Viewed 1659 times ]
Notice how one side is 10 and half base is 6. Therefore, the height must be 8
So the area is \(\frac{1}{2} b \times h\)
\(\frac{1}{2} \times 12 \times 8 = 48\)
