General equation of a circle with centre (h, k) is given by:

$(x - h)^{2} + (y - k)^{2} = r^{2}$

Now, the origin is the centre and radius is 20, so substituting these points in yields:
$x^{2} + y^{2} = 20^{2}$
$x^{2} + y^{2} = 400$

4 0

3 years ago

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Free points how many potatoes are there? and don't be a disabled house and report this

Thepotemich [5.8K]

Answer:

there are no potatoes..... all i see are beautiful creations :0

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3 years ago

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A quadrilateral has angles that measure 56°, 97°, and 136°. What is the measure of the fourth angle?

Aleksandr [31]

The quadrilateral adds up to 360 degrees.

the 3 angles given add up to 289 degrees.

subtract the 3 given from 360

360 - 289

71 degrees.

i hope this helped!
If you dont mind, please give me the brainliest answer! i am three away from the next rank :D

4 0

3 years ago