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15-10-2020
Mathematics

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Pweasseeee help meh (7th grade math work) will mark as Brainliest :3

Pweasseeee help meh 7th grade math work will mark as Brainliest 3 class=

Respuesta :

ricchad ricchad

17-10-2020

Answer:

x = 52.5 cm

Step-by-step explanation:

this is called a ratio and proportion or similar triangles

21 = 35

31.5 x

do cross multiply:

21 x = 31.5 (35)

x = 1102.5 / 21

x = 52.5 cm

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