Answer:
The radius of a circle is 4.5 cm.
Answer:
13.3 cm
Step-by-step explanation:
We can use the Pythagoream Theorem to identify any missing angles!

In this case, will leave c for a^2!




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A + (-7) = -17
a + (-7) + 7 = -17 + 7
a = -10
Answer:
1,650.1184
Step-by-step explanation:
If the circumference is 144.4 then you would divide the circumference by pi which would get you the diameter. Divide the diameter by 2 which would be the radius. Square the radius the multiply pi to get the area.