So in fig 1 :
- L = 14m
- W = 9m
- Area = L × W
- Area = 9 × 14
- Area = 126 m²
In fig 2 :
- L = 7m
- W = 16 - 9 = 7m
- Area= L × W
- Area = 7 × 7
- Area =49m²
- TA = 126 + 49
- TA = 175 m²
Multiply. Write your answer as a fraction in simplest form. 10/7 x 3/5
2 answers:
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We see on the picture that :
When we go down one row, we add one horizontal and two diagonal cards.
In the first row we have 2 cards
In the second 2+3=5 cards
In the third 5+3=8 cards
etc.
General formula : in the n-th row from the top, we have
When we go down one row, we add one horizontal and two diagonal cards.
In the first row we have 2 cards
In the second 2+3=5 cards
In the third 5+3=8 cards
etc.
General formula : in the n-th row from the top, we have