Answer: 7.5"
Step-by-step explanation:
First, take away the extra 5" on the longer side lengths
40-5-5=30
Then divide by 4 to get the width
30/4=7.5
This works because if you took the 7.5" and added back the 5 inches, it makes 12.5. Then add all 4 sides together, you get 40.
7.5+7.5+12.5+12.5=
Answer: 138
Step-by-step explanation:
14+5(x+3)-7
14+(5x+15)-7
7+5x+15
5x+22
Answer:
whats the question
Step-by-step explanation:
Answer:
square base pyramid
triangle base pyramid
Step-by-step explanation:
second one is square bas pyramid
third one is triangle base pyramid