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Mathematics 15 Online
OpenStudy (anonymous):

The figures shown are similar. What is the scale factor? A.3 B.1/7 C.2/3 D.1/3 http://static.k12.com/calms_media/media/243500_244000/243536/1/8283a8e82541ff4eb9c67d6d8c1f009d037af11e/VHS_PA_S2_01_L310_Q9.gif

OpenStudy (triciaal):

the scale factor is the ratio of the measurements

OpenStudy (triciaal):

like in the last problem the scale factor was 30/18 (lengths) reduced = 5/3

OpenStudy (anonymous):

1.5?

OpenStudy (triciaal):

do you see why it is preferable not to use a calculator? comparing sides a:b I repeat direction is important

OpenStudy (anonymous):

ohhh so it would be C then @triciaal

OpenStudy (anonymous):

@Mr.Man420

OpenStudy (anonymous):

@nincompoop @blurbendy

OpenStudy (anonymous):

ya C

OpenStudy (anonymous):

explain y

OpenStudy (anonymous):

?

OpenStudy (anonymous):

Explain why its C

OpenStudy (triciaal):

ratio 14/21 notice direction to reduce divide by 7 = 2/3

OpenStudy (anonymous):

so i was right

OpenStudy (triciaal):

you really need to read the post so you can grasp the material.

OpenStudy (anonymous):

so i was or wasn't right?

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