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If the base length of isosceles triangle is 4 and the waist length is B, then the value range of B is ()
The sum of the two sides is greater than the bottom, so b > 2
The base length of isosceles triangle is 8, and the range of waist length B is 0_________ ?
The sum of the two sides is greater than the third side
b+b>8 ===> b>4
The difference between the two sides is less than that of the third side
b-8 b
If the base length of isosceles triangle is 4cm, the range of waist length x is______ ．
∵ the length of the bottom edge of the isosceles triangle is 4cm, the two waists of the isosceles triangle are equal, and the sum of any two sides of the triangle is greater than the third side ∵ 2x ∵ 4cm, ∵ x ∵ 2cm
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