Answer:
d. 15 square yard
Step-by-step explanation:

Answer:
acute
Step-by-step explanation:
every angle is under 90 degrees
5.250
To change a fraction to a decimal fraction divide the numerator by the denominator.
that is 21 ÷ 4 = 5.250 ( to 3 decimal places )
I hope this helps its step 2 gl