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Ask a primary school math problem ~ Ask an expert to answer it ~ Need detailed steps ~ ~ (o)
3.14×15× 2 = 94.2m.

A: The Ferris wheel turns around about 94.2 meters.

3. 14×3×3=28.26 square meters

A: The maximum grazing area of this sheep is 28.26 square meters.

37.68÷3. 14÷2=6

3. 14×6×6= 1 13.04(㎡)

Answer: The floor area is113.04m2..

3. 14×(33×33-30×30)×30

=3. 14× 189×30

=593.46×30

= 17803.8 (kg)

A * * * needs concrete17803.8kg.