Question

solve fast question no. 4​

Answer 1

Answer:

21

Step-by-step explanation:

given perimeter=50

15+10+(x+4)=50

25+(x+4)=50

x+4=50-25

x+4=25

x=25-4

x=21

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Answer 2

Answer:

Perimeter of ΔABC = 50 cm

AB = 15 cm

BC = 10 cm

AC = (x + 4) cm

Hence 15 + 10 + (x + 4) = 50

25 + x + 4 = 50

25 + 4 + x = 50

29 + x = 50

x = 50 - 29

x = 21

Hence side AC = 21 + 4 cm

= 25 cm

Hope it helps