Which is equivalent to 5(a + 6)? 1. a+30 2. 5a-30 3. 5a+6 4. 5a+30
1 answer:
You might be interested in
Answer:
624 square inches of cardboard were used to make the box.
Step-by-step explanation:
Slant height of the box = l = 20 inches
Side of the base of the box = s = 12 inch
Area of the base =
Area of triangular face =
There are 4 triangle faces, and single square base , so the total area is :
624 square inches of cardboard were used to make the box.