Ritika has a square napkin of side 30 cm. she wants to stich lace on all its sides. Find the leght of lace needed. ( in cm amd m). pls give a answer of class 5 type
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Answer:
Step-by-step explanation:
Given that Diameter of the circular table d = 1.5m.
Then the radius of the circular table r = d/2
= 1.5/2
= 0.75m.
We know that Circumference of the circular table = 2pir
= 2 * 22/7 * 0.75
= 33/7
= 4.71m.
Therefore the length of lace required = 4.71m.
Given that cost of 1m lace = 15 rupees.
Then the cost of 4.71 m lace = 4.71 * 15
= 70.65 rupees.
Therefore the cost = 70.65 rupees.
Answered by
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Answer:
Length of 1 side= 30cm
Length of 4 sides= 30cm × 4
= 120 cm
Thus, she need a lace of measurement as follows:-
In cm- 120cm
In m- 1.2 m
Step-by-step explanation:
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