Perimeter of rectangle Diagonal 5cm
Length 3cm
I need the steps
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Perimeter of rectangle Diagonal 5cm
Length 3cm
I need the steps
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The diagonal will make a right-angled triangle with length and breadth.
So,
Breadth = √(diagonal)²-(length)²
Breadth = √(5)²-(3) = √(25-9) = √16 =4
Perimeter
= 2(l+b)
= 2(3+4)
= 2(7) = 14cm
Answer:
to find breadth
√d²-l²
√5²-3²
√25-9
√16
4cm
hence,perimeter= 2(4+3)
2(7)=14cm