I calculated the expression and I got 22.
5 + 5 is 10...
Start with 5 on one hand and use the other hand (count 5 on that one)
Word problem to make this a little bit 'simplier'
You have 5 squares (◾◾◾◾◾) and you tag along have more (◾◾◾◾◾). How many do you have all together? 10 squares.
◾◾◾◾◾ + ◾◾◾◾◾ (⬅count those squares )
Vertical angles congruence theorem, then SAS
Answer: 144 cubic feet
Step-by-step explanation:
Volume = base times height.
Base = 20 square feet
Height = 7.2 feet
Volume = 20 square feet * 7.2 feet = 144 cubic feet