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Jejeksksgo
Jejeksksgo
Mathematics
Answered
29 mm
가
120 mm
D
What is the perimeter?
millimeters
Answer :
X111flowersgo
X111flowersgo
Pythagoras theorem : a^2 + b^2 = c^2
20^2 + b^2 = 29^2
400 + b^2 = 841
841 - 400 = 441
Square root 441 = 21
PERIMETER :
21+29+20 = 70
The answer is 70
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