Question

fand the area of the right ahgle in which sides other then by poton use ale 20 cm and 40cm also find the perimeter of then​

Answer 1

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Given

• Side of triangle = 20 and 40 cm

To find

• Other side and it's perimeter

By using Pythagoras theorem ,

AB ²= BC²+CD²

AB²=20²+40²

AB²=400+1600

AB²= 2000

AB=√2000

AB = 44.27

Perimeter of traingle = Sum of all sides

= 20+40+44.27

= 104.27

Therefore,

Other side = 44.27

And perimeter =104.27

Answer 2

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perimeter =104.27