The area of each of the 4 triangles is
... A = (1/2)bh = (1/2)(4)(3) = 6
The area of the square base (in the center of the net diagram) is
... A = s² = 4² = 16
Then the total area is 4×6 + 16 = 40 square units.
Answer: subtract 12-4
Step-by-step explanation:
For the range you subtract the smallest number from the biggest number so 12-4.
Answer:
7-(-15)= 22
Step-by-step explanation:
You would go right on a number line, since two negatives turn into a positive.
7-(-15) ---> 7+15