29 dimes because if you would divide the amount of pennies by 10, you'd get 29.
Count the units on the sides. On the Y axis the rectangle is 4 units and on the X axis the rectangle is 6 units. Area of a rectangle=L*W so, 6*4=24. Perimeter is 4*2 and 6*2=8+12=20. Hope this helps!
You might need to give out the choices, if there are any. thanks for asking.
Answer:
there is one line of symmetry if you look closely at the shape