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gaurav Grade: 9
`        the perimeter of a rectangle is 68m and length of its diagonal is 26m.find area`
2 years ago

## Answers : (2)

Vijay Mukati
askIITians Faculty
2591 Points
```										Dear studentHint: P = 2(L+B), D2= L2 + W2, A = LW, To find LW use (L+W)2= L2 + W2 + 2LW.Thanks
```
2 years ago
A M S ARUN KRISHNA
216 Points
```										 P = 2(l + b)68 = 2(l + b)l + b = 34d = 26(l + b)2 = 342l2 + b2 + 2lb = 1156l2 + b2 = d2 (pythagoraus theorem)l2 + b2 = 262 = 676 676 + 2lb = 11562lb = 480lb = 240area = 240m2
```
2 years ago
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