一个等腰直角三角形的一条腰是5厘米,求面积是多少?
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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