Question

19.5 cm
10. The adjacent figure shows a wooden frame with a picture
inside. If the width of the wood everywhere is 1.4 cm, find
the perimeter of the picture.
11. The mean of 2, 3, 5, 1, 7 and 6 is x. The numbers 3, 5, 4, 2, 1.4 cm
3, 7 and y have also a mean x and median z. Find x, y, z.
13.4 cm​

Answer 1

Answer:

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Answer 2

Answer:

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