marcjsahara
marcjsahara marcjsahara
  • 11-03-2022
  • Mathematics
contestada

The polygons are similar. Find the value of x.
2-
Р
X
X
20
21
14
5
Q 12 R
L
18
K

The polygons are similar Find the value of x 2 Р X X 20 21 14 5 Q 12 R L 18 K class=

Respuesta :

semsee45
semsee45 semsee45
  • 11-03-2022

Answer:

x = 30

Step-by-step explanation:

 12 : 20 = 18 : x

⇒ 12/20 = 18/x

⇒ 12x = 18 · 20

⇒ 12x = 360

⇒ x = 360 ÷ 12

⇒ x = 30

Answer Link
Аноним Аноним
  • 12-03-2022

[tex]\\ \rm\Rrightarrow \dfrac{21}{x}=\dfrac{14}{20}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{21}{x}=\dfrac{7}{10}[/tex]

[tex]\\ \rm\Rrightarrow 7x=210[/tex]

[tex]\\ \rm\Rrightarrow x=30[/tex]

Answer Link

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