How to solve question 20??

**Lesson Steps**:

Answer question 20.

**Answer**:

So first because the squares are all the same, you would divide 196 by four (196/4) this should give you 49. Again be cause its a square the sides are equal. This makes each edge 7 because 7×7=49. Now the two squares in the middle have two half sides. Now you add all the sides. (7×8)+(3.5×4)= (56)+(40)= 70.

**Grade**: 4

**Level**: Primary

**Subject**: Math

**Topic**: Area and perimeter