6. A hollow metal sphere of radius R is uniformly charged The electric field due to the sphere at a distancer from the centre (a) zero as / increases for r < R. decreases as r increases for r>R (b) zero as r increases for r < R, increases as I increases for r > R (c) decreases as r increases for r < R and for > R (d) increases as r increases for R​

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.°