Question

FAN AND MEDAL

the answer is 4/7 but I got 7/4 and I don't know why it's wrong

Pre-image ABCD was dilated to produce image AꞌBꞌCꞌDꞌ.

What is the scale factor of the similar figures? Enter the answer in simplest form.

https://static.k12.com/calms_media/media/1574000_1574500/1574343/1/00cc64bab8fbd78783091799a31318c869d668e2/MS_IMC-141231-111315.jpg

Answer 1

Scale Factor = new length / old length
= 8/14

Answer 2

So that's 0.571428571

Answer 3

8/2=4

Answer 4

14/2=7

Answer 5

So the result will b=?

Answer 6

@shamim wait why did you divide them by two?

Answer 7

Need to get the result

Answer 8

I already know the answer is 4/7, I just don't know why

Answer 9

Nd one more cause is
Ur numerator n denominator is divisible by 2

Answer 10

@shamim divided by 2 to reduce the fraction

8/14 = 4/7

8 and 14 have the GCF equal to 2. To reduce a fraction fully, you divide both parts by the GCF

Answer 11

GCF means

Answer 12

@jim_thompson5910 ohhh I divided 14 by 8 (the opposite of what @nubeer said) and got 7/4, so thank you!

Answer 13

@shamim GCF means greatest common factor

Answer 14

Ok

Answer 15

another term for GCF is GCD

GCD = greatest common divisor

Answer 16

@jim_thompson5910 @shamim @nubeer thank you all so much :D

Answer 17

U r most welcome !!