The perimeter of a rhombus and a square are equal to 52cm. If one diagonals of the rhombus is 10cm, find the difference in their areas.
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Step-by-step explanation:
area of rhombus = 1÷2 × D1×D2
52 1÷2 ×10× D2
52. 5×D2
52÷5 =D2
D2=1.4 cm
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