What is 2 1/4 ÷ 1/2=​

Step-by-step explanation:

Convert mixed fraction to improper fraction.

÷ = ÷

Now use K C F method

K - Keep the first fraction

C - Change  the division operation to multiplication

F- Flip the second number

40 is the final : )

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)