The length of a rectangle is 16 cm and one of its diagonal is 20 cm. Find the perimeter of the
rectangle
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The length of a rectangle is 16 cm and one of its diagonal is 20 cm. Find the perimeter of the
rectangle
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Question
Answer
Step By Step Explanation
Given that:
To Find:
Solution:
❏ Putting all values in formula :
↦
↦
✭ Squaring both sides :
↦
↦ 400 = 256 + b²
↦ b² = 400 - 256
↦ b² = 144
↦
↦
➦
❏ Putting all values in formula :
⇒
⇒
⇒
➳
∴ Hence, the perimeter of rectangle is 56cm.
Know More :
❏ Some related Questions & Answers :
The length of a rectangle is 15 cm greater than its breath. Its perimeter is 150cm. Find the dimensions of the rectangle.
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A square and a rectangle have the same perimeter. If the side of the square is 16 m and the length of the rectangle is 18 m, the breadth of the rectangle is : (A) 14 m (B) 15 m (C) 16 m (D) 17 m.
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Answer:
Step-by-step explanation:
Given,
To find :
Perimeter of the rectangle = s
Solution :
we know that
perimeter s = 2(length × breadth) = 2(l×b)
But in the question breadth is unknown. So we have to find it.
To find breadth, we will use the following formula .