In the figure shown, chords AB and CD intersect at E. The measure of arc AC is 170. The measures of BD is (x+10)°, and the measure of What is the degree measure of BEC?

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)

the answer is  

a.

4,624π mm2

step-by-step explanation: