Mathematics: The area of circle Z is 64 ft2. What is the value of r? r = 4 ft r = 8 ft r = 16 ft r = 32 ft

The area of circle Z is 64 ft2. What is the value

Mimical

21.01.2022

r=4.51 ft

Step-by-step explanation:

Area of a circle is given by

$A=\pi r^{2}$ where A is area and r is the radius. Making r the subject of the above formula then

$r=\sqrt {\frac {A}{\pi}}$

Substituting A with 64 then

$r=\sqrt {\frac {64}{\pi}}\approx 4.51 ft$

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nsuleban5016

26.07.2020

The answer is (−5.25, −3.5)

Step-by-step explanation:

-3 times 7/4 is -5.25. -2 times 7/4 is -3.5.

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