Rectangle

The rectangle is 21 cm long and 38 cm wide.

Determine the radius of the circle circumscribing rectangle.

Correct answer:

r =  22 cm

Step-by-step explanation:

a=21 cm b=38 cm  u=a2+b2=212+382=1885 cm43.4166 cm  D=u=43.4166=1885 cm43.4166 cm  r=D/2=43.4166/2=22 cm



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Showing 1 comment:
#
Pancake
Thanks, this really helped. Ima go eat my French toast now

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Tips to related online calculators
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Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.

 
We encourage you to watch this tutorial video on this math problem: video1   video2

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