Are the two triangles below similar?

a) yes; they have proportional corresponding sides
b) no; they do not have proportional corresponding sides
c)yes; they have congruent corresponding angles
d) no; they do not have congruent corresponding angles

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)