49.70. If you’re supposed to round up, I would say 50. Hope it’s right :)
1/36 + 1/49 = 81 is the standard eq following the formula 1/a.a + 1/b.b = 1/r.r
The answer will be in the picture
Step-by-step explanation:
coordinates of center is 0,0 there are no hints given to find radius
400 i think i am pretty sure but if it's wronge i apolize