是椭圆上的一点，和是焦点，若∠F1PF2=30°，则△F1PF2的面积等于（

是椭圆上的一点，和是焦点，若∠F₁PF₂=30°，则△F₁PF₂的面积等于（）

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是椭圆上的一点，和是焦点，若∠F1PF2=30°，则△F1PF2的面积等于 （

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是椭圆上的一点，和是焦点，若∠F1PF2=30°，则△F1PF2的面积等于（