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WILL GIVE BRAILYEST PLZZZ HURRY The picture shows a rectangular window with a length of 120 cm. The perimeter of the window is 400 cm. What is the width of the window?

Respuesta :

armoniev381

Answer:

80cm

Step-by-step explanation:

120+120=240

400-240=160

160 divided by 2=80cm

PeterPan58
EXPLANATION:
Perimeter=2(l+b)
400=2(120+b)
400=240+2b
2b=400-240
b=160/2
b=80

ANSWER: Width=80cm