Answer:
3
Step-by-step explanation:
The formula for the area of a triangle is 1/2*b*h=a.
1/2*b*14=56
b*14=112
b=8
8•13=104
7•13=91
6•13=78
104+91+78=273
Answer: At least 7
Step-by-step explanation:
A good tip is to cut the same shape and fold it and count how many symmetry :)
