Pattern is
-2 ×2 -2 ×2 -2
Next one is ×2
Ans: 20
Answer:
If your asking if your work is correct, its not.
Each triangle has an area of 10 inches
the total area of the placemat is 420 inches
Step-by-step explanation:
Formula for area of a triangle is
b · h
Y= 2/3x +12 .................
the answer to your question is 6/7 × 1 1/4 = 3/14