Answer:
i meant 7 bc it is isosceles.
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
The circumference of a circle is equal to

we have
<em>Circle X</em>


<em>Circle Y</em>

Find the radius ry
we know that

substitute the value of Cy


Remember that the value of rx is 
substitute

Answer:
2×6729=13458
Step-by-step explanation:
65 x .12 = 7.865 - 7.8 = 57.2