Hey there! :)
You have to find the area of all of them and add it together.
Formulas:
Area of a square: l · w
Area of a triangle: (b · h) ÷ 2
Square -
l = 3
w = 3
3 × 3 = 9
Triangle -
b = 3
h = 3
(3 × 3) ÷ 2
9 ÷ 2 = 4.5
There are 4 triangles
4.5 × 4 = 18
9 + 18 = 27
The surface area ⇒ 27 cm²
Answer:
he would have to buy 12 packs
Step-by-step explanation:
138/12=11.5
It's 4 ways 'cause u can travel by car, boat, train, and plane
The answer is C) 30
i hope this helps anyone who sees this!! <3
18 sandwiches.......................................hope this helped! :3