Answer:
1) <u>9450 = 21n</u>
2) 9450/21 = 21/21n
<u>450 = n</u>
3) you can <u>check the answer by multiplying 450 by 21</u>
Step-by-step explanation:
hope this helped
let me know if I am incorrect
Answer:
the perimeter of the square is 12 mm
Step-by-step explanation:
each side of the square is 3 mm
-- The two sides of a right <u>angle</u> intersect and make the angle.
So do the sides of any other angle. So they can't be parallel.
-- No two sides of a right <u>triangle</u> ... or any other triangle ...can be parallel.
