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3 years ago

Please help me answer this

Mathematics

1 answer:

butalik [34]3 years ago

4 0

Answer:

1) 1:2 2) 3

3) 1:8 4) 2:7

5) 1:4 6) 3:7

7) 2:5 8) 3:11

9) 2:7 10) 4:7

11) 8:9 12) 7:11

13) 1:2 14) 3

15) 26:27 16) 1:40

17) 1:10 18) 1:100

19) 1000 20) 10

Step-by-step explanation:

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3 years ago

Please help. Thank you

Inessa [10]

Given:

$PQRS\sim TUVW$

In the given figure, PS=x, RS=35, UV=20, VW=25 and TW=15

To find:

The scale factor from PQRS to TUVW.

Solution:

We have,

$PQRS\sim TUVW$

We know that the corresponding sides of similar figures are proportional. The scale factor is the ratio of one side of image and corresponding side of preimage.

The scale factor is:

$k=\dfrac{VW}{RS}$