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25-02-2020
Mathematics

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These polygons are similar. Find the value of z.

10

8

6

5

These polygons are similar Find the value of z 10 8 6 5 class=

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gcantiga44 gcantiga44

25-02-2020

Answer:

10

Step-by-step explanation:

Find the two similar sides which are already measured.

6 and 9 are those numbers.

Use similarity proportional ratio:

6/9 = z/15

Cross multiply:

9z = 15 × 6

9z = 90

z = 90 ÷ 9

z = 10

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