问几道英语奥数题
1.WeknowtheareaofAisfourtimesofB.IftheareaofBis6平方厘米andtheperimeterofBis16cm.theperim...
1. We know the area of A is four times of B. If the area of B is 6平方厘米 and the perimeter of B is 16cm. the perimeter of A is _____.
2. There is a triangle, and it is an isosceles triangle (等腰三角形). We know a and b are 5cm, while c=8cm. Then the area of the triangle is _____.(h的平方+(c/2)的平方=b的平方)
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2. There is a triangle, and it is an isosceles triangle (等腰三角形). We know a and b are 5cm, while c=8cm. Then the area of the triangle is _____.(h的平方+(c/2)的平方=b的平方)
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2010-10-16
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