Answer:
30
Step-by-step explanation:
pythagoras theorem
x


=900
x=30
“To find the scale factor, we simply create a ratio of the lengths of two corresponding sides of two polygons. If the ratio is the same for all corresponding sides, then this is called the scale factor and the polygons are similar.”
Answer:
b, Helen should have added 17 to both sides of the equation
Step-by-step explanation:
just took quiz and got it right so it will help u guys too.!!!
Pretty sure it would be 21x^2+16x+17y
6:10 or 3:5 I believe
Hope this helps!