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Norma-Jean [14]
3 years ago
13

The sides of a hexagon are 2, 3, 2, 4, 7, and 6. Find the perimeter of a similar hexagon with two sides of length 3.

Mathematics
1 answer:
nasty-shy [4]3 years ago
8 0

The first hexagon: 2, 2, 3, 4, 6, 7

The second hexagon: 3, 3, a, b, c, d

The hexagons are similar. Therefore the sides are in proportion.

\dfrac{a}{3}=\dfrac{3}{2}     multiply both sides by 3

a=\dfrac{3}{2}=4.5

\dfrac{b}{4}=\dfrac{3}{2}   multiply both sides by 4

b=\dfrac{3}{2}\cdot4=6

\dfrac{c}{6}=\dfrac{3}{2}     multiply both sides by 6

c=\dfrac{3}{2}\cdot6=9

\dfrac{d}{7}=\dfrac{3}{2}    multiply both sides by 7

d=\dfrac{21}{2}=10.5

The perimeter:

P=4.5+6+9+10.5=30

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