Question

If lenght of a diagonal of a rhombus is 30cm and its area is 240sqcm,find its perimeter.​

Answer 1

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Answer 2

Answer:

area= 1/2×d1×d2

240=1/2×30×d2

d2=16cm

side length=√(8^2+15^2)=17

perimeter=17×4=68cm