已知:直线y=x+b与x轴、y轴分别相交于A、B,且三角形OAB的面积为4.已知菱形的面积为6√2cm²,一条对角线的长为2√6cm.则:(1) 另一条对角线的长为-------cm.(2) 周长为-------cm.
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![已知:直线y=x+b与x轴、y轴分别相交于A、B,且三角形OAB的面积为4.已知菱形的面积为6√2cm²,一条对角线的长为2√6cm.则:(1) 另一条对角线的长为-------cm.(2) 周长为-------cm.](/uploads/image/z/5635612-28-2.jpg?t=%E5%B7%B2%E7%9F%A5%3A%E7%9B%B4%E7%BA%BFy%3Dx%2Bb%E4%B8%8Ex%E8%BD%B4%E3%80%81y%E8%BD%B4%E5%88%86%E5%88%AB%E7%9B%B8%E4%BA%A4%E4%BA%8EA%E3%80%81B%2C%E4%B8%94%E4%B8%89%E8%A7%92%E5%BD%A2OAB%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA4.%E5%B7%B2%E7%9F%A5%E8%8F%B1%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA6%E2%88%9A2cm%26sup2%3B%2C%E4%B8%80%E6%9D%A1%E5%AF%B9%E8%A7%92%E7%BA%BF%E7%9A%84%E9%95%BF%E4%B8%BA2%E2%88%9A6cm.%E5%88%99%EF%BC%9A%EF%BC%881%EF%BC%89+%E5%8F%A6%E4%B8%80%E6%9D%A1%E5%AF%B9%E8%A7%92%E7%BA%BF%E7%9A%84%E9%95%BF%E4%B8%BA-------cm.%EF%BC%882%EF%BC%89+%E5%91%A8%E9%95%BF%E4%B8%BA-------cm.)
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