问几道英语奥数题1.We know the area of A is four times of B.If the ar

问几道英语奥数题
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）
第一题没图