Question

15) Find the perimeter of this rectangle.​

Answer 1

Step-by-step explanation: 20 char long

Answer 2

Answer:

34 units

Step-by-step explanation:

in a rectangle opposite sides are equal i.e., AB = CD & AD = BC.

By Pythagoras theorem we can derive that AD is 5 units.

{ Hypotenuse ² = adjacent ² + opposite ²

BD² = AD² + AB²

13² = AD² + 12²

AD² = 169 - 144

AD² = 25

AD = √ 25

AD = ± 5 (Sides can't be in negative)

So AD is 5 units }

Perimeter of rectangle = 2(l+b)

= 2 (12+5)

= 2 (17)

= 34 units.

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