Question

the diagonals of a rhombus measure 16 cm and 30 cm. find its perimeter​

Answer 1

Area of rhombus. 1/2 d1×d2

1/2 ×16×30

1×8×30

240 perimeter


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Answer 2

diagonals of rhombus are perpendicular bisectors of each other.

db=16

DO=DB/2

DO=16/2

DO=8cm

similarly,AO=15cm

by using pythogaras theorem,

DO²+AO²=DA²

8²+15²=DA²

64+225=DA²

289=DA²

DA=17

perimeter=DA×4

             =17×4

PEIMETER=68CM

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