Question

(13) The perimeter of rhombus is 100 cm and
one of its diagonals measures 48 cm.
Then, the length of the other diagonal
is ......... cm.



step by step explanation fast ​

Answer 1

Answer:

We know that the all sides of a rhombus is equal .

And given the perimeter of rhombus is 100 cm

Then side of rhombus =

4

100

=25 cm and given one diagonal=40 cm

We know that the diagonal of rhombus bisect at triangle and intersect equal parts

Let other diagonal is 2x

(x)

2

+(20)

2

=(25)

2

⇒x

2

=625−400=225

So x=15 and other diagonal =2×15=30 cm

Then area of rhombus =

2

digonal×digonal

=

2

40×30

=600cm

2

Step-by-step explanation:

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Answer 2

336cm²

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