Rhombus-shaped 5348

The fence around the garden is made of rhombus-shaped laths with a side 30 cm long and 1.6 m high. How many square meters of boards are needed to make a fence of 300 laths?

Correct answer:

x =  144 m2

Step-by-step explanation:

a=30/100=103=0.3 m2 h=1.6 m S1=a h=0.3 1.6=2512=0.48 m2 x=300 S1=300 0.48=144 m2

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