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The area of a circle is 78.5 cm². What is the circumference? Use 3.14 for .
A 15.7 cm
B) 31.4 cm
C) 102.3 cm
D 157 cm

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Ответ:

blymouton13

04.10.2021

Mathematics

Adjacent sides of kite are equal and diagonal intersects at 90 so it will bisect the other diagonal

according to pythagorean theorm
hy^2=l^2+b^2
5^2-3^2=b^2
25=9=b^2
b=4
RP=4 m

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Question 7/19 < > NEXT BOOKMARK a 7 The area of a circle is 78.5 cm². What is the circumference? Use 3.14 for . A 15.7 cm B) 31.4 cm C) 102.3 cm D 157 cm