Question

Rehana has to fix lace around a rug. She bought a 20 m roll
of lace. How much lace will be needed for one rug? How
- 2 * 25 m = 50 m
the fence required = 50 m
gth already fenced = 20 m
et remains to be fenced - 50 m - 20 m
30 m
ength that needs to be fenced is 30 m.
oblems.
much lace will be used for 5 such rugs? How much lace
will be left over?​

Answer 1

Answer:

Lace used is 20 m and leftover lace is 30 m.

Step-by-step explanation:

Step 1: The term "breadth" refers to a shape's width and represents the space between its right and left sides. We multiply a shape's two dimensions, such as its breadth or width and its height or length, to get the area, or how much room there is inside of it.

Length of the carpet = 1 m and 50 cm = 1.5 m.

Breadth of the carpet = 50 cm = 0.5 cm.

Length of the lace roll = 50 m

Step 2: We sum the lengths of all four corners of a rectangle to determine its perimeter. Since the opposing sides of a rectangle are always equal, we must determine the length and breadth of the rectangle in order to determine its perimeter.

Concept: Perimeter of a rectangle = 2 (length + breadth).

Perimeter of 1 carpet = 2 (1.5+0.5) = 4 m

Perimeter length of 5 carpets = Length of lace used = (5×4) m = 20 m.

Length of lace left over = 50 – 20 = 30 m.

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