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take a 15 cm long thread . Make different shapes by joining its ends on this sheet .
I have maded the shapes already so only give answer of the following question .
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Step-by-step explanation:
When a rectangle is taken that has a length of 5 units and a breadth of 2.5 units, we will find that the boundary measures 145units. When a triangle which has sides of length 5 units, 3 units and 7 units is taken, we get the measurement of the boundary as 15 units.
- Forms or shapes which contain in them, uneven sides and internal angles are known as irregular shapes. Since they don't resemble the typical shapes we are used to seeing when we are first exposed to the idea of shapes ,it can be more difficult for us to recognise the nature of these structures. However, regular shapes are typically a little simpler to recognise because their sides all have the same length and equal angles, for example in the case of a square.
- Due to their widespread use and early introduction in math classrooms, rectangles may appear to be regular forms, although they are actually irregular. Due to the identical lengths of all of its sides and angles, a square is the only regular quadrilateral.
Let us draw two irregular shapes on the graph paper. Let one of them be a rectangle and let the other irregular shape be a triangle.
Now, if we take a thread and measure the rectangle that has a length of 5 units and a breadth of 2.5 units, we will find that the boundary measures 15 units when measured with a thread.
Similarly, if we measure the triangle which has sides of length 5 units, 3 units and 7 units, we get the measurement of the boundary as 15 units.
Hence, when a rectangle is taken that has a length of 5 units and a breadth of 2.5 units, we will find that the boundary measures 145units. When a triangle which has sides of length 5 units, 3 units and 7 units is taken, we get the measurement of the boundary as 15 units.
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