Describe how you would find the area of the figure shown at the right.
2 answers:
To find the area you first need to divide the shape into two parts, then find the area of the first half and then the second and add the areas together: first part: 5 × 7 = 35cm² second part: 2 × 5 / 2 = 10 ÷ 2 = 5cm² then do: 35 + 5 = 40cm² so the area of the shape is 40cm²
I would find the area of the shape as if it were a rectangle (5x9) and then subtract the area of two triangles (1/2x2x2.5)
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Let the third side = x.
The sum of any two sides must be greater than the third side
14 + 9 > x
23 > x
14 + x > 9
x > -5
9 + x > 14
x > 5
So 5 < x < 23