一个等腰直角三角形的一条腰是5厘米,求面积是多少?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 13:48:22
![一个等腰直角三角形的一条腰是5厘米,求面积是多少?](/uploads/image/z/2392762-58-2.jpg?t=%E4%B8%80%E4%B8%AA%E7%AD%89%E8%85%B0%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E4%B8%80%E6%9D%A1%E8%85%B0%E6%98%AF5%E5%8E%98%E7%B1%B3%2C%E6%B1%82%E9%9D%A2%E7%A7%AF%E6%98%AF%E5%A4%9A%E5%B0%91%3F)
一个等腰直角三角形的一条腰是5厘米,求面积是多少?
一个等腰直角三角形的一条腰是5厘米,求面积是多少?
一个等腰直角三角形的一条腰是5厘米,求面积是多少?
面积=1/2×5×5=12.5平方厘米
5x5/2=12.5
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等腰三角形 两个腰就是直角边面积就是25