A circle with radius of 2cm sits inside a circle with radius of
4 cm. What is the area of the shaded region?
Round your final answer to the nearest hundredth.

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest

Plzz ! need the answer asap! 7% of 980