QUIZ 1. Dimensions of a rectangular frame are 40 cm and 10 cm and dimension of a square frame is 25 cm. Both the frames are to be decorated with a border at the rate of ₹3 per cm. Which border will cost more ?
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Step-by-step explanation:
Rectangular Frame
Length = 40cm
Breadth = 10cm
Perimeter = 2(l+b)
= 2(40+10)
= 2(50)
= 100cm
Rate of the border = ₹3 per cm
Therefore, rate of the border of the rectangular frame = 3 x 100
= ₹300
Square Frame
Side = 25cm
Perimeter = 4(s)
= 4(25)
= 100cm
Rate of the border = ₹3 per cm
Therefore, rate of the border of the square frame = 3 x 100
= ₹300
Therefore, both the frames will cost the same for decorating the border.