We Know That One Yard Is 36 Inches. So, One Yard =

We Need To Find What 21 Inches Of A Yard.
This Is:

We Cannot Simplify This Anymore.
So, 21 inches Is

Of A Yard In Fraction Form.
Answer:
About 30.904 cm.
Step-by-step explanation:
The equation is A=1/2(a+b)h
Where A=22.2
B=8.52
C= 9.86
Answer : Hello It Is 42
Explanation : (82 - 40 = 42)
When -3 is squared it becomes 9 then -3x5 is -15 so put that back into the equation 9-15+9= 4