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xeze [42]
3 years ago
8

Please help me guys​

Mathematics
2 answers:
seraphim [82]3 years ago
8 0

Area of pond:

A=\pi r^{2}

r=1,5m

A=3,142*1,5*1,5=7,0695

Area of pond with path

B=\pi r^{2}

r=50 cm+1,5m=0,5m+1,5m=2m

B=3,142*2*2=12,568

Area of path:

12,568-7,0695=5,4985=5,50

Korolek [52]3 years ago
4 0

Answer:

5.5 cm²

Step-by-step explanation:

Area of path = Area of path and the pool - area of pool

Area of pool = πr² = 3.14* 1.5 * 1.5 =7.065 cm²

Area of path along with pool:

Width of path =  50 cm  = 0.5 m

Here r = 1.5 + 0.5 = 2 m

Area of path along with pool = 3.14 * 2 * 2

                                                = 12.56 cm²

Area of path = 12.56 - 7.065 = 5.495 = 5.50 cm²

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