Question

the perimeter of a rectangle is 46m and it's length is 15m. find its breadth area and diagonal.

Answer 1

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Answer 2

Given :-

• Perimeter of rectangle is 46 m.
• Its length is 15 m.

To find :-

• Breadth of the rectangle.
• Area of the rectangle.
• Diagonal of the rectangle.

Solution :-

Perimeter of rectangle = 2(l+b)

46 = 2(15 + b)

46 = 30 + 2b

46 - 30 = 2b

16 = 2b

b = 16/2

b = 8 m......(ans)

Area of rectangle = l × b

= 15 × 8

= 120 m²..........(ans)

Diagonal of rectangle = √l² + b²

= √(15)² + (8)²

= √225 + 64

= √289

= 17m.........(ans)