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d1i1m1o1n [39]
3 years ago
8

A picture is x+20 cm in width and 2x-10 cm in length. The frame is a

Mathematics
1 answer:
Jobisdone [24]3 years ago
8 0

Answer:

A = 1100cm^2

Step by step Explanation:

given the dimensions of width and length of the picture are x+20 by 2x-10 and the frame is a constant 5 cm wider from the edge of the picture to the frame, than the area of the frame is defined as (x+30)(2x)-(x+20)(2x-10) = 30x+200.

If the width is equal to the length which I assume is true if the width is constant.

than x+30=2x, which means x = 30.

if this is true than 30(30)+200 = 1100cm^2

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