Question

calcula los lados de un romboide:
ab = 2x + 1 cm
cd = 3x + 2 cm
perìmetro: 72 cm

Answer 1

P = 2(ab) x+ 2 (cd)
P= 2(2x+1) +2 ( 3x+2)
72= 4x+2 +6x +4
72-6= 10x
66/10= x
32/5 =x
6,4=x

reeplazamos
ab = 2x + 1 cm------2(6,4)+1=13,8
cd = 3x + 2 cm-------3(6,4)+2=19,2