3 years ago

Homework it’s too hard

Mathematics

1 answer:

Inga [223]3 years ago

8 0

Answer:

Step-by-step explanation:

length=4×28=112 mm=11.2 cm

three centers form an equilateral triangle each side=2×28=56mm=5.6 cm

to find the height

h=√(5.6²-2.8²)=2.8√3

width=2.8+2.8√3+2.8=5.6+2.8√3=2.8(2+√3)

area=11.2×2.8(2+√3)≈117.03 7cm²≈117 cm²

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Hope this helps :)

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