nyeemreid700 nyeemreid700

19-03-2020
Mathematics

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time to test brainly's mathmaticians

time to test brainlys mathmaticians class=

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surjithayer10 surjithayer10

19-03-2020

Answer:

Step-by-step explanation:

coordinates of A,B,C are A(5,15),B(15,5),C(20,10)

AB=√((15-5)²+(5-15)²)=√(100+100)=√200=10√2

BC=√((20-15)²+(10-5)²)=√(25+25)=√50=5√2

AC=√((20-5)²+(10-15)²)=√(225+25)=√250=5√10

Perimeter=10√2+5√2+5√10=15√2+5√10≈37 units

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