Gloria is digging for fossils at a geological site. She has 120 meters of rope and 4 stakes to mark off a rectangular area. Which set of dimensions will create a rectangle using all the rope Gloria has with her?

12 m × 10 m
50 m × 10 m
60 m × 60 m
45 m × 10 m
@misty1212

Question

Gloria is digging for fossils at a geological site. She has 120 meters of rope and 4 stakes to mark off a rectangular area. Which set of dimensions will create a rectangle using all the rope Gloria has with her?

 12 m × 10 m
 50 m × 10 m
 60 m × 60 m
 45 m × 10 m
@misty1212

anonymous · Answer

rectangle has two sets of two equal sides. So 2x+2y=120
Now just plug in the values to see which match the equation

anonymous · Answer

@misty1212 can u help plz?

michele_laino · Answer

please note that the perimeter of a 50 x 10 meters rectangle is:
2*50 + 2*10 = 120 meters, so what is your option?