nimarunchak2007 nimarunchak2007

03-04-2020
Mathematics

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please help I dont understand

please help I dont understand class=

Respuesta :

917006450984help 917006450984help

03-04-2020

Answer:

Area of Pentagon is directly proportional to side square

soooooo

A1/A2 = s1^2 / s2^2 = 16/49 = 4^2/ 7^2

sooo

s1/s2 = 4/7

As S1= 12cm

then

s2= 12 × 7/4 = 84/4= 21 cm

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