JuliettaGreek579 JuliettaGreek579

22-08-2015
Mathematics

Answered

The figures shown are similar. What is the scale factor? Two similar pentagons, one pentagon with base 9 and one pentagon with base 12.

A1 1/3
B2/3
C1 1/4
D3/4

Verified Answer :

Anonymous Anonymous

22-08-2015

\(9:12=\frac{9}{12}=\frac{9:3}{12:3}=\boxed{\frac{3}{4}}\leftarrow\boxed{d.}\)

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Anonymous Anonymous

22-08-2015

\(\sf You \ have \ to \ set \ it \ as \ fraction \ then \ simplify. \\ \\ \frac{9}{12} \\ \\ GCF = 3 \\ \\ Reduce \ by \ dividing \ both \ denominator \ and \ numerator \ by \ 3. \\ \\ \dfrac{9 \div 3}{12 \div 3} \\ \\ = \frac{3}{4}\)

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