Can someone help me please? thanks!

V = 11/21

Step-by-step explanation:

Formula: V = 4/3πr³

Simply plug in r to find volume

V = 4/3π(1/2)³

V = 0.52381

And we have our answer!

the answer to the expression is 83

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)