The radius of the larger circle is 10 cm. the radius of the smaller circle is 3 cm. what is the approximate area of the shaded region?

the large shaded circle containing a smaller white circle inside the larger circle.

question options:

70.7 square centimeters

86.5 square centimeters

102.4 square centimeters

285.74 square centimeters

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte